αἰθρία
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)
Ion. -ιη, ἡ,
A = αἴθρη, first in Sol. 13.22, then in Ion. Prose, Com., X., and Arist.: ἐξ αἰθρίης καὶ νηνεμίης Hdt. 7.188; ἐξ αἰθρίας ἀστράψω Cratin.53, cf. Hdt.3.86, X.HG7.1.31; αἰθρίας οὔσης in clear weather, Arist. Mete.342a12; αἰθρίης or -ίας abs., Hdt.7.37, Ar.Nu. 371; τῆς αἰθρίας Arist.Pr.939b15. 2 esp. the clear cold air of night, Hdt.2.68, cf. Hp. Aët.8. [ῐ in penult. exc. in dact. and anap., Sol. l.c., Ar. l.c.]