Ὠς χαρίεν ἔστʹ ἄνθρωπος, ὅταν ἄνθρωπος ᾗ → What a fine thing a human is, when truly human!
P. κολυμβητής, ὁ, V. κολυμβητήρ, ὁ.
diver bird: Ar. κόλυμβος, ὁ, κολυμβίς, ἡ.