ὑποκεῖσθαι
From LSJ
κρεῖττον σιωπᾶν ἐστιν ἢ λαλεῖν μάτην → it's better to keep silence than to speak without reason (Menander)
Greek > English (Woodhouse Verbs Reversed)
(see also ὑπόκειμαι): be mortgaged, be assumed as a basis, be assumed as hypothesis, be assumed, be laid down, be laid, be posited, lie in wait for, lie under
