Helpless

wiktionary

ref

From Middle English helples, from Old English *helplēas(“helpless”) from Proto-Germanic *helpōlausaz, equivalent to help +‎ -less. Compare Dutch hulpeloos(“helpless”), German hilflos(“helpless”), Swedish hjälplös(“helpless”).

etymonline

ref

helpless (adj.)

"unable to act for oneself," c. 1200, from help (n.) + -less. Related: Helplessly; helplessness. In Middle English and later sometimes "unable to give help, affording no help" (late 14c.), but this never was common.