שָׁמַן

From LSJ

ἐνίοις τὸ σιγᾶν κρεῖττόν ἐστι τοῦ λαλεῖν → for some people silence is better than words (Menander)

Source

English (Strong)

a primitive root; to shine, i.e. (by analogy) be (causatively, make) oily or gross: become (make, wax) fat.