κουρεύομαι
From LSJ
Βίος κέκληται δ' ὡς βίᾳ πορίζεται → Vi quia paratur vita, vita dicitur → Weil's auf gewaltsamem Streben beruht, heißt's Lebensgut
English (LSJ)
(κουρά) 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.
