ὑψαυχέω
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)
A = μεγαλαυχέω, ὑψηλοφρονέω, S.Fr.1106, Chrysipp.Stoic. 3.141, Ps.-Phoc.62.
Greek (Liddell-Scott)
ὑψαυχέω: ὑψαυχενέω, μεγαλαυχῶ, ὑψηλοφρονῶ, Σοφοκλ. Ἀποσπ. 953· ὑψαυχεῖ δ’ ὁ πολὺς πλοῦτος καὶ εἰς ὕβριν ἀέξει Ψευδοφωκ. 56.