Falling

google

ref

Old English fallan, feallan, of Germanic origin; related to Dutch vallen and German fallen ; the noun is partly from the verb, partly from Old Norse fall ‘downfall, sin’.

etymonline

ref

falling (adj.)

present-participle adjective from fall (v.). Falling star is from 1560s; falling off "decrease, declining" is from c. 1600. Falling evil "epilepsy" is from early 13c.