Diva

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late 19th century: via Italian from Latin, literally ‘goddess’.

wiktionary

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From Italian diva(“diva, goddess”), from Latin dīva(“goddess”), female of dīvus(“divine, divine one; notably a deified mortal”).

etymonline

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diva (n.)

"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").