ἐπιλείπειν
From LSJ
ὁ μὴ δαρεὶς ἄνθρωπος οὐ παιδεύεται → spare the rod and spoil the child | οne who hasn't been flayed is not being taught | if the man was not beaten, he is not educated | the man, who was not paddled, is not educated
Greek > English (Woodhouse Verbs Reversed)
(see also ἐπιλείπω): fail, be wanting, fall short, give out, with non-personal subject
Lexicon Thucydideum
deficere, to fail, revolt, 2.70.1, 3.20.1,
similiter similarly 3.26.4. et and 3.27.1. 5.103.2, [Vat. Vatican manuscript ἐπιλίπ.]