ἐπιμελεῖσθαι
From LSJ
πωγωνοτροφία φιλόσοφoν οὐ ποιεῖ → a long beard does not make the philosopher
Lexicon Thucydideum
curam habere, operam dare, to take pains, devote effort, 3.25.1, 4.2.3, 4.118.3. 6.41.4, [depravati codd. corrupted manuscripts ἐπιμελήμ.] 6.91.5. 7.8.3, 8.68.1.
idem, the same 6.54.6, 7.39.2, [Vat. et alii Vatican and other manuscripts ἐπιμελουμ.].
