Tragic
mid 16th century: from French tragique, via Latin from Greek tragikos, from tragos ‘goat’, but associated with tragōidia (see tragedy).
wiktionary
From Ancient Greek τραγικός(tragikós, “of or relating to tragedy”), from τράγος(trágos, “male goat”), a reference to the goat-satyrs of the theatrical plays of the Dorians.
etymonline
tragic (adj.)
1540s, "calamitous, disastrous, fatal" ("resembling the actions in a stage tragedy"), shortened from tragical (late 15c.), modeled on Latin tragicus, from Greek tragikos "of or pertaining to tragedy; stately, majestic; plaintive," literally "goatish, of or pertaining to a goat," and perhaps referring to a satyr impersonated by a goat singer or satyric actor, from tragodia (see tragedy). Tragic flaw (1913) translates Greek hamartia. Related: Tragically.