מָהַהּ
From LSJ
Βέβαιον οὐδέν ἐστιν ἐν θνητῷ βίῳ → Nihil, ut videtur, proprium in vita datur → Nichts Festes gibt's im Leben eines Sterblichen
English (Strong)
apparently a denominative from מָה; properly, to question or hesitate, i.e. (by implication) to be reluctant: delay, linger, stay selves, tarry.