Etymology
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weltanschauung (n.)
1868 (William James), from German Weltanschauung, from welt "world" (see world) + anschauung "perception" (related to English show).
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worldview (n.)
also world-view, 1858, from world + view (n.); translating German weltanschauung.
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*wi-ro- 
*wī-ro-, Proto-Indo-European root meaning "man."

It forms all or part of: curia; Fergus; triumvir; triumvirate; Weltanschauung; Weltschmerz; werewolf; wergeld; world; virago; virile; virility; virtue; virtuosity; virtuoso; virtuous.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit virah, Avestan vira-, Latin vir, Lithuanian vyras, Old Irish fer, Welsh gwr, Gothic wair, Old English wer "a man."
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