διαζήτησις
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)
εως, ἡ,
A inquiry, inquisition, Gloss.
Spanish (DGE)
-εως, ἡ
1 persecución, búsqueda τῶ[ν ὑ] πογεγραμμένων δου[λικῶν] σωμάτων PHarris 62.8 (II a.C.).
2 investigación Origenes Fr.64 in Io.9.8.