off-putting

The compound adjective 'off-putting' is a relatively modern English formation, originating in the early 20th century. It is built from the phrasal verb 'to put off,' which has meant "to postpone" since the 14th century and developed the sense "to disconcert or repel" in the late 18th century. The adjective form directly combines the literal elements 'off' (suggesting removal or aversion) and 'put' (suggesting placement or causation), with the '-ing' suffix turning the action into a descriptive quality. Thus, the word's logic is transparent: something described as 'off-putting' has the inherent quality of "putting" one's feelings or interest "off" or away.

Structure: off (away) + put (place) + ing (adjective suffix) - off: Old English, of, æf; an adverb and preposition meaning "away, from, or not on." - put: Old English, putian; a verb meaning "to place or set." - ing: Old English, -ende, -ing; a suffix forming present participles and adjectives from verbs.