Drip
Old English dryppan, drȳpen, of Germanic origin; related to Danish dryppe, also to drop.
wiktionary
From Middle English drippen, druppen, from Old English dryppan, from Proto-Germanic *drupjaną(“to fall in drops, drip”), from Proto-Germanic *drupô(“drop”). Akin to West Frisian drippe(“to drip”), Dutch druipen, druppelen(“to drip”), German Low German drüppen(“to drip”), German tropfen, tröpfeln(“to drip”), Norwegian Bokmål dryppe, Norwegian Nynorsk drypa(“to drip”).
From Middle English drippe, from the verb (see above). Compare West Frisian drip(“drip”), Dutch drup(“drip”), Danish dryp(“drip”).
Acronym.
etymonline
drip (v.)
c. 1300, drippen, "to fall in drops; let fall in drops," from Old English drypan, also dryppan, from Proto-Germanic *drupjanan (source also of Old Norse dreypa, Middle Danish drippe, Dutch druipen, Old High German troufen, German triefen), perhaps from a PIE root *dhreu-. Related to droop and drop. Related: Dripped; dripping.
drip (n.)
mid-15c., drippe, "a drop of liquid," from drip (v.). From 1660s as "a falling or letting fall in drops." Medical sense of "continuous slow introduction of fluid into the body" is by 1933. The slang meaning "stupid, feeble, or dull person" is by 1932, perhaps from earlier American English slang sense "nonsense" (by 1919).