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English word smart-ass comes from English ass
ass (English)
(slang) One's self or person, chiefly their body.. (slang) Used in similes to express something bad or unpleasant.. (vulgar, slang) Used after an adjective to indicate extremes or excessiveness.. (vulgar, slang) anus. (vulgar, slang) buttocks. (vulgar, slang, uncountable) sex.
smart ass (English)
(slang, sometimes, vulgar) A person regarded with an obnoxiously determined advancement of one's own personality, wishes, or views.