ταχυτής
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 (LSJ)
ῆτος, Dor. τᾰχυ-τάς, ᾶτος, ἡ (on the accent v. Hdn.Gr.1.83),
A quickness, swiftness, of dogs, Od.17.315; ταχυτῆτος ἄεθλα, of the race, Il.23.740; τ. ποδῶν Xenoph.2.1, 17, Pi.O.1.95; ἥσσων ἐς ταχυτῆτα Hdt.3.102, cf. Anaxag.9, Archyt.1, Pl.La.192a, Arist. Mete.342a5; of persons, hastiness, Id.EN1150b27.