early 15c., "succulent," from juice (n.) + -y (2). Figurative sense "weathly, full of some desired quality" is from 1620s; that of "lively, suggestive, racy, sensational" is from 1883. Related: Juiciness.
Entries linking to juicy
juice n.
c. 1300, jus, juis, jouis, "liquid obtained by boiling herbs," from Old French jus "juice, sap, liquid" (13c.), from Latin ius "broth, sauce, juice, soup," from PIE root *yeue- "to blend, mix food" (cognates: Sanskrit yus- "broth," Greek zymē "a leaven," Old Church Slavonic jucha "broth, soup," Lithuanian jūšė "fish soup"). Meaning "the watery part of fruits or vegetables" is from early 14c. Meaning "liquor" is from 1828; that of "electricity" is first recorded 1896.
-y 2
adjective suffix, "full of or characterized by," from Old English -ig, from Proto-Germanic *-iga- (source also of Dutch, Danish, German -ig, Gothic -egs), from PIE -(i)ko-, adjectival suffix, cognate with elements in Greek -ikos, Latin -icus (see -ic). Originally added to nouns in Old English; used from 13c. with verbs, and by 15c. even with other adjectives (for example crispy). Adjectives such as hugy, vasty are artificial words that exist for the sake of poetical metrics.