Elysian (adj.)youdaoicibaDictYouDict
1570s, "pertaining to Elysium (q.v.), the abode of the blessed after death." Hence, "exquisitely happy, full of the highest bliss."
exquisite (adj.)youdaoicibaDictYouDict
early 15c., "carefully selected," from Latin exquisitus "choice," literally "carefully sought out," from past participle stem of exquirere "search out thoroughly," from ex- "out" (see ex-) + quaerere "to seek" (see query (v.)).

Originally in English of any thing (good or bad, torture and diseases as well as art) brought to a highly wrought condition, sometimes shading into disapproval. The main modern meaning, "of consummate and delightful excellence" is first attested 1579, in Lyly's "Euphues." Related: Exquisitely; exquisiteness. The noun meaning "a dandy, fop" is from 1819. Bailey's Dictionary (1727) has exquisitous "not natural, but procured by art."