ἐκκαρποῦσθαι
From LSJ
γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς τε καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων → grammar is a practical knowledge of the usage of poets and writers of prose
Greek > English (Woodhouse Verbs Reversed)
(see also: ἐκκαρπόομαι, ἐκκαρποῦμαι, ἐκκαρπῶ, ἐκκαρπόω) benefit from, have benefit of, reap the fruits of as reward, reap the fruits of
Lexicon Thucydideum
fructum percipere, to derive profit, vel or questum facere, to complain, 5.28.2.