Fantasia

Chamber's Etymological of the English Language · 1895 · p. 183

fan-ta'zi-a, n. a fanciful or fantastic musical composition, not govei ned by the ordinary musical rules. [IL, from Gr. phantasm. See Fancy Fantastic, fan-tas'tik, Fantastical, fan-tas'tik-al, adj., fanciful notrc.il capricious, whimsical. wild.—adv. Fantastically.