מַס

From LSJ

ἆρον τὸν κράβαττόν σου καὶ περιπάτει → take up thy bed and walk, take up your bed and walk, pick up your mat and walk

Source

English (Strong)

or mic; from מָסַס; properly, a burden (as causing to faint), i.e. a tax in the form of forced labor: discomfited, levy, task(-master), tribute(-tary).