extinguish
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
P. and V. σβεννύναι (Thuc. 2, 77), κατασβεννύναι, ἀποσβεννύναι; see quench.
put down: P. and V. καθαιρεῖν, κατέχειν, παύειν.