κενεοφροσύνη
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)
ἡ,
A empty-mindedness, Timo 48.2: κενοφρ-, Plu. Ages.37.
Greek Monolingual
κενεοφροσύνη, ἡ (Α) κενεόφρων
κενοφροσύνη. ματαιοφροσύνη.
Dutch (Woordenboekgrieks.nl)
κενεοφροσύνη -ης, ἡ, later κενοφροσύνη [κενεόφρων] leeghoofdigheid.