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fetish [fetish 词源字典]: fetish: [17] Fetish is a doublet of factitious: that is to say, the two words have a common origin, but have subsequently diverged widely. Both come ultimately from Latin factītius ‘made by art’, an adjective derived from the past participle of facere ‘do, make’ (whence English effect, fact, fashion, among a host of other related words).

Its Portuguese descendant, feitiço, was used as a noun meaning ‘charm, sorcery’. French took this over as fétiche and passed it on to English, where it was used in the concrete sense ‘charm, amulet’, particularly as worshipped by various West African peoples. ‘Object irrationally or obsessively venerated’ is a 19th-century semantic development.
=> effect, fact, factory, fashion[fetish etymology, fetish origin, 英语词源]
obsessive (adj.): 1911, from obsess + -ive. Related: Obsessively. Obsessive-compulsive is attested from 1927.
stalk (v.1): "pursue stealthily," Old English -stealcian, as in bestealcian "to steal along, walk warily," from Proto-Germanic *stalkon, frequentative of PIE *stel-, possibly a variant of *ster- (3) "to rob, steal" (see steal (v.)). Compare hark/hear, talk/tell). In another view the Old English word might be from a sense of stalk (v.1), influenced by stalk (n.). Meaning "harass obsessively" first recorded 1991. Related: Stalked; stalking.

A stalking-horse in literal use was a horse draped in trappings and trained to allow a fowler to conceal himself behind it to get within range of the game; figurative sense of "person who participates in a proceeding to disguise its real purpose" is recorded from 1610s.