ἐμμενετέον

A. one must abide by or endure, D.L. 7.93.

II. ἐμμενετέος,α, ον, to be endured, Cleanth.Stoic. 1.128; to be maintained, held fast, ὠφελήματα Stoic. 3.22, cf. Chrysipp.ib.72.