Further etymology uncertain, probably a non-IE loanword. Note also ME arch 'curve, or part of a curve; curved object' <- OFr. arche f. 'arch, edifice' < Latin arca 'chest, coffer'; "also, through some confusion, used in Old French for arc m. 'bow' < Lat. arcum 'bow'." (OED 1885). TLF says: "Empr. à un b. lat. *arca pour arcus (arc*)".
Michiel de Vaan. Etymological Dictionary of Latin and the other Italic Languages. Indo-European Etymological Dictionaries Online. Edited by Alexander Lubotsky. Brill. Brill Online.
[MDV]
Source
Guus Kroonen. Etymological Dictionary of Proto-Germanic. Indo-European Etymological Dictionaries Online. Edited by Alexander Lubotsky. Brill. Brill Online.
[GK]
Source
Simpson, J., & Weiner, E. S. 1989. Oxford English dictionary. Oxford: Clarendon Press.
[OED]
Source
Trésors de la langue francaise informatisées. Centre national de ressources techniques et lexiques. http://www.cnrtl.fr/definition/
[TLF]
Source
Robert Farren, PIE culture words collection, 2017
[Farren (2017)]
Location
ATP49
Etymology
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