1670s, in botany, "belonging to external covering," from Modern Latin corticalis "resembling or consisting of bark or rind," from cortex (genitive corticis) "bark of a tree" (from PIE root *sker- (1) "to cut"). Also used in anatomy, applied to enveloping parts (distinguished from medullary).
"a practitioner; one who practices (as distinguished from one who theorizes," originally also practitian, c. 1500, from Old French practicien (Modern French praticien), from Late Latin practicus "fit for action," (see practice (v.)). An earlier word was practisour (late 14c.).
"distinguished woman singer, prima donna," 1864, from Italian diva "goddess, fine lady," from Latin diva "goddess," fem. of divus "a god, divine (one)," related to deus "god, deity" (from PIE root *dyeu- "to shine," in derivatives "sky, heaven, god").
member of an ancient people (an offshoot of the Sabines) who inhabited Samnium in Italy, late 14c., from Latin Samnites (plural), from Samnium, which probably is related to Sabine (q.v.). The class of gladiators (distinguished by their oblong shield) was so-called because they were armed like the natives of Samnium.