gross-out

The term 'gross-out' is a modern American English compound, emerging in the mid-20th century. Its first element, 'gross,' traveled from Latin 'grossus' (thick, coarse) through Old French, entering English with meanings of size and lack of refinement. By the 1950s, its slang sense of "disgusting" became prevalent. The second element, 'out,' is an adverbial intensifier from Old English, used to push the meaning to an extreme. The compound logic is transparent: something that is 'gross' to the point of being completely revolting or shocking, a formation perfectly aligned with the era's trend for expressive, informal compounds describing sensory or emotional extremes, particularly in entertainment and youth culture.

Structure: gross (coarse/repulsive) + out (completely/to the extreme) - gross: From Old French 'gros' (big, thick, coarse), from Latin 'grossus' (thick, coarse). In this compound, it functions as the core adjective meaning "repulsively coarse or excessive." - out: From Old English 'ūt' (out). In this compound, it functions as an intensifying particle, meaning "to an extreme degree" or "completely," similar to its use in phrasal verbs.