υγρόνους

From LSJ

Βίων δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνονBion used to say that we have two teachers for death: the time before we were born and sleep | Bion said that there are two rehearsals for death: the time before being born and sleep

Source

Greek Monolingual

-ουν και -οος, -οον, Α
αυτός που έχει αδύναμο, δηλαδή ευμετάβλητο νου.
[ΕΤΥΜΟΛ. < ὑγρός + -νους / -νοος (< νόος, νοῦς), πρβλ. θερμόνους].