Handling
来自Big Physics
Old English handle (noun), handlian (verb), from hand.
wiktionary
From Middle English handlinge, hondlunge, from Old English handlung(“handling”), equivalent to handle + -ing. Cognate with Dutch handeling(“trade, operation, action”), German Handlung(“act, action”), Swedish handling(“act, deed, action”).
From handle.
etymonline
handling (n.)
Old English handlung "action of touching or feeling," from handlian (see handle (v.)). Meaning "way in which something handles" (especially a motor vehicle) is from 1962.