οβάλ

From LSJ

αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point

Source

Greek Monolingual

ο, η, το
άκλ. αυτός που έχει σχήμα αβγού, ωοειδής.
[ΕΤΥΜΟΛ. < γαλλ. ovale < λατ. ovum, -i «αβγό»].