ἡ γὰρ σιωπὴ μαρτυρεῖ τὸ μὴ θέλειν → silence is evidence of unwillingness (Menander)
subs.
As opposed to genus: P. εἶδος, τό.
Kind: see kind.
The human species: P. ἡ ἀνθρωπίνη φύσις.