Old English þyddan "to strike, stab, thrust, press," of imitative origin. Sense of "hit with a dull sound" first recorded 1796. Related: Thudded; thudding. The noun is attested from 1510s as "blast of wind;" 1530s as "loud sound."
the knocker thudded against the front door
Bullets were thudding against the wall
thrum
thruout
thrush
thrust
thruster
thud
thug
thuggery
thuggish
Thule
thulium
