κουρεύομαι
From LSJ
Σοφῷ παρ' ἀνδρὶ (Σοφοῦ παρ' ἀνδρὸς) πρῶτος εὑρέθη λόγος → Apud sapientem inventa est ratio primitus → Bei einem weisen Mann fand man zuerst Vernunft
English (LSJ)
(κουρά)
A take the tonsure, i.e. enter a monastery, of a nun, Just.Nov.134.10.1; have the hair cut, of four-year-old children, Sch.Nic.Al.417.