Abbott-Smith Manual Greek Lexicon
ᾠόν (G5609)
1 (KJV) ᾠόν (Rec. ὠόν ), -οῦ, τό [in LXX for בֵּיצָה ;] an egg : Lk 11:12 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G5609 · Greek
ᾠόν
oon · o-on'
apparently a primary word; an "egg"