καλόφιλος
From LSJ
οὐκ ἂν λάβοις παρὰ τοῦ μὴ ἔχοντος → you can't take from one who doesn't have, you can't squeeze blood out of a turnip, you can't get blood out of a turnip, you can't get blood from a stone, you can't get blood out of a stone
English (LSJ)
ον,
A gloss on εὔξεινος, Sch.Opp.H.1.627.
German (Pape)
[Seite 1314] Erkl. von εὔξεινος, Schol. Opp. H. 1, 627.