• Eurasia
  • Proto-Celtic → Middle Breton
    • *bow → buch
    • *bow → bou-tig
    • *damo-, *damato- → davat
    • *lāfigo- → lue
    • *molto- → mout, maout
    • *owigno- → oen
    • *bukko- → bouch
    • *menno- → menn
    • *yaro- → yar
    • *kʷon- → ci, qui
    • *kʷon- → quies
    • *katto- → caz
    • *gwan-o- → guenannen
    • *loferno- → louarn
    • *eriro- → erer, er
    • *karwo- → caru
    • *salano- → holen, halen
    • *medu → mez
    • *kīkā → quic
    • *amben- → amanenn
    • *weg-yo- → gueaff
    • *sniy-o- → nezaff
    • *seg-yo-, seg-o- → hadaff
    • *nixto-, *ufo-nixto- → niz
    • *barageno/ā, *barago/ā → bara
    • *sasyo- → heiz
    • *korkkyo- → kerch
    • *bēto-, *biyato- → boet
    • *grāno- → greunenn
    • *fitu- → eth
    • *aratro- → ararz
    • *yugo- → yeu, ieo
    • *roto- → rot
    • *aksilā → ahel
    • *arawar, *arawen- → erv
    • *kayto- → coat
    • *fletro- → lezr
    • *gayso- → goaff
    • *wēro- → goar
    • *kladimo-, *kladiwo- → clezeff
  • Proto-Celtic → Old Breton
    • *uxso-, *uxson- → ohen
    • *ekʷo- → ebol
    • *markos → marh
    • *wessi- → guis
    • *gabra- → gabr
    • *sukko- → hoch
    • *blVdV- → bleid
    • *tworko- → torch
    • *kowanno-, *kuwanno- → couann
    • *natrik- → natr-
    • *brano- → bran
    • *yorko- → iorch
    • *meli → mel
    • *arbīno- → erbin
    • *abalo- → abal
    • *widu- → guid
    • *karro- → carr
    • *magos- → -ma
    • *samo- → ham
    • *īsarno-, *isarno- → hoiarn
    • *kʷresno- → pren
    • *magino- → main
    • *tarwo- → taruu
    • *wlāno-,*wulāno-, *wlano-, *wulano- → gulan
    • *banwo- → ban
  • Proto-Celtic → Proto-Celtic
    • *gabro- → *gabra-
  • Proto-Indo-European → Proto-Celtic
    • *g^wōw-, *gwōw- → *bow
    • *uksōn, *uksōn- → *uxso-, *uxson-
    • *dmh₂o- → *damo-, *damato-
    • *leh₂p- → *lāfigo-
    • *h₁eḱwo- → *ekʷo-
    • *kapr- → *gabro-
    • *men- → *menno-
    • *ḱwōn, *ḱuwōn → *kʷon-
    • *gʷhen- → *gwan-o-
    • *tworḱo- → *tworko-
    • *h₂lop- → *loferno-
    • *(s)nh₂-tr-, *(s)nh₂-tr → *natrik-
    • *h₃er- → *eriro-
    • *wid^hu-, *widhu- → *widu-
    • *ḱer-n-, *ḱerh₂- → *karwo-
    • *(H)yorko- → *yorko-
    • *meli- → *meli
    • *seh₂l- → *salano-
    • *medhu- → *medu
    • *h₃engʷ-en- → *amben-
    • *weg- → *weg-yo-
    • *sneh₁- → *sniy-o-
    • *seg- → *seg-yo-, seg-o-
    • *neyk- → *nixto-, *ufo-nixto-
    • *bhar- → *barageno/ā, *barago/ā
    • *sh₁-s-, *sh₁es- → *sasyo-
    • *g^weyh₃-, *gweyh₃- → *bēto-, *biyato-
    • *ǵrHno- → *grāno-
    • *peytu-, *pitu- → *fitu-
    • *h₂erh₃wr-, *h₂erh₃wr → *arawar, *arawen-
    • *h₂eph₃ol- → *abalo-
    • *h₂erh₃-tro- → *aratro-
    • *krso- → *karro-
    • *yugo- → *yugo-
    • *(H)roth₂o-, *(H)roth₂-o- → *roto-
    • *meǵh₂- → *magos-
    • *sem- → *samo-
    • *kayto- → *kayto-
    • *kʷres- → *kʷresno-
    • *ǵhoyso- → *gayso-
    • *weyh₁-ro- → *wēro-
    • *tawro- → *tarwo-
    • *wlh₂no- → *wlāno-,*wulāno-, *wlano-, *wulano-
    • *pel- → *fletro-
  • Proto-Indo-European → Proto-Indo-European
    • *demh₂- → *dmh₂o-
  • Proto-Indo-European → Proto-Italic
    • *glg-t- → *lagt-, *glagt-
    • *h₂enh₂-ti- → *anati-
    • *ueih₁-n-, *ueih₁-ōn, *uih₁-en-m, *uih₁-on-m → *wīno-
    • *h₂é-h₂us-o- → *auso-
    • *(s)kolh₂/3-tro- → *k(e/o)l-tro-
  • Proto-Indo-European → Middle Breton
    • *h₂eu-i- → houat
    • *bhei- → bouhazl
    • *wert- → guerzit
  • Old Breton → Middle Breton
    • ohen → ouhen
    • ebol → ebeul
    • marh → march
    • guis → guis, gues
    • gabr → gaffr
    • hoch → houch
    • bleid → bleiz
    • torch → tourch
    • couann → couhenn
    • natr- → nazr, azr, aezr
    • bran → bran
    • iorch → yourch
    • mel → mel
    • erbin → irvinenn
    • abal → aval
    • guid → guez
    • carr → carr
    • -ma → maes
    • ham → haff
    • hoiarn → houarnn
    • pren → prenn
    • main → men
    • taruu → taru
    • gulan → gloan
    • ban → ban
  • Old Breton → Breton
    • -ma → ma
  • Proto-Italic → Latin
    • *kapro-, *kap-ro- → caper
    • *lagt-, *glagt- → lac, lactis
    • *anati- → anas, anatis
    • *wīno- → vīnum
    • *līno- → līnum
    • *auso- → aurum
    • *k(e/o)l-tro- → culter, cultrī
  • Latin → Old French
    • caper → caper
    • anas, anatis → ane, anete
    • lepus → lievre
  • Latin → Middle Breton
    • leō, leōnis → leon
    • lynx → linx
    • cunīculus → konikl
    • lac, lactis → laez
    • vīnum → guin
    • cēra → coar
    • secale → saegal, segal
    • līnum → lin
    • falx, -cis → falch
    • aurum → our
    • cultellus → contell
    • sagitta → saez
  • Latin → Latin
    • culter, cultrī → cultellus
  • Middle Breton → Breton
    • houat → houad
    • guenannen → gwenanenn
    • leon → leon
    • linx → lińs
    • scouarnec → skouarneg
    • gat → gad
    • erer, er → erer
    • caru → karw
    • coar → koar
    • gueaff → gweañ
    • hadaff → hada
    • bara → bara
    • saegal, segal → segal
    • greunenn → greun
    • irvinenn → irvinenn
    • irvinenn → irvin
    • guinyenn → gwinienn
    • hesquenn → heskenn
    • bouhazl → bouc'hal
    • guerzit → gwerzid
    • maes → maes
    • erv → ero, erv
    • roch → roc'h
    • lezr → ler
    • goaff → goa, goaf
    • goar → gwar
    • saez → saezh
  • Middle Breton → Middle Breton
    • skouarn → scouarnec
    • niz → guiniz
    • hesq → hesquenn
    • hezr → hezreff
    • goar → goarec
  • French → Middle Breton
    • ours → ours
  • Classical Greek → Latin
    • léōn → leō, leōnis
    • lýnx, lynkós → lynx
  • Stub proto-form → Proto-Celtic
    • *rab-īno- → *arbīno-
  • Breton → Breton
    • gwar → gwareg