דָּמַם

From LSJ

Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)

Source

English (Strong)

a prim root (compare דָּהַם, דָּמָה); to be dumb; by implication, to be astonished, to stop; also to perish: cease, be cut down (off), forbear, hold peace, quiet self, rest, be silent, keep (put to) silence, be (stand) still, tarry, wait.