"pessimism about life," 1872 (1863 as a German word in English), from German Weltschmerz, coined 1810 by Jean Paul Richter, from Welt "world" (see world) + Schmerz "pain" (see smart (n.)). Popularized in German by Heine.
Welshman
welt
weltanschauung
welter
welterweight
weltschmerz
*wen-
wen
Wenceslas
wench
Wend