quickness
From LSJ
ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
English > Greek (Woodhouse)
substantive
P. and V. τάχος, τό, P. ταχύτης, ἡ, V. ὠκύτης, ἡ; see speed.
quickness of hand: P. εὐχέρεια, ἡ.
quickness of intellect: P. ὀξύτης, ἡ, δριμύτης, ἡ, ἀγχίνοια, ἡ.
quickness in learning: P. εὐμάθεια, ἡ.
quickness of temper: V. ὀξυθυμία, ἡ, τάχος φρενῶν, τό.