Presuming an earlier form *ϝῖρις (*wîris), then from Proto-Indo-European *weh₁i-ro- (“a twist, thread, cord, wire”), from *weh₁i- (“to turn, twist, weave, plait”). Cognates include Low German Wir (“wire”), German Wiere (“wire, metallic thread”), Icelandic vír (“wire”), Swedish vira (“to twist”), Latin vieō (“weave together”), Welsh gŵyr (“bent”).
- (5th BC Attic): IPA: /í͜iris/
- (1st BC Egyptian): IPA: /íːris/
- (4th AD Koine): IPA: /íris/
- (10th AD Byzantine): IPA: /íris/
- (15th AD Constantinopolitan): IPA: /íɾis/
- p. 1,014 in S. C. Woodhouse’s English-Greek Dictionary: A Vocabulary of the Attic Language. Routledge & Kegan Paul Limited. 1950.