- αἰέλουρος (aiélouros)
- (5th BC Attic): IPA: /a͜ɪ́lo͜oros/
- (1st BC Egyptian): IPA: /ɛ́ːluːros/
- (4th AD Koine): IPA: /éluros/
- (10th AD Byzantine): IPA: /éluros/
- (15th AD Constantinopolitan): IPA: /éluɾos/
Uncertain. Longstanding tradition holds it to derive from αἰόλος (aiólos, “fast moving, nimble”) + οὐρά (ourá, “tail”); while it has the feel of folk etymology, it may nonetheless be the case. Has also been compared to Latin viverra (“ferret”) and Lithuanian vaiveris (“polecat”).