βιός m. ‘bow, bowstring’ < PIE. *gʷieh₂- 'string'. This inherited term was replaced, as early as Homer, by (non-IE) τόξον (RB). Robert Beekes (with the assistance of Lucien van Beek). "βιός" in: Etymological Dictionary of Greek. Indo-European Etymological Dictionaries Online. Edited by Alexander Lubotsky. Brill, 2015. Brill Online. February 24, 2015. < http://iedo.brillonline.nl.ludwig.lub.lu.se/dictionaries/lemma.html?id=4203 >
Robert Farren, PIE culture words collection, 2017
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