vitricus
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
Latin > English (Lewis & Short)
vī̆trĭcus: i, m.,
I a step-father, Cic. Att. 15, 12, 2; id. Verr. 2, 1, 51, § 135; id. Mur. 35, 73; id. Brut. 68, 240; Plin. Ep. 9, 13, 16; Tac. A. 3, 29; Suet. Tib. 7.—Poet., of Vulcan, the husband of Venus, in relation to Cupid, the son of Jupiter and Venus: vitricus, Ov. Am. 1, 2, 24.