[nos.tal.gia] n [NL, fr. Gk nostos return home + NL -algia; akin to Gk neisthai to return, OE genesan to survive, Skt nasate he approaches] (1770) 1: the state of being homesick: homesickness
2: a wistful or excessively sentimental yearning for return to or of some past period or irrecoverable condition; also: something that evokes nostalgia -- nos.tal.gic adj or n -- nos.tal.gi.cal.ly adv