nude Look up nude at Dictionary.com
1531, a legal term, "unsupported, not formally attested," from L. nudus "naked, bare" (see naked). General sense of "mere, plain, simple" attested from 1551. In ref. to the human body, meaning "unclothed" is an artistic euphemism for naked, dating from 1611 (implied in nudity). Nudism is a 1929 borrowing from Fr. nudisme; nudist "one who practices nudism" appeared at the same time.
"Made in Germany, imported to France, is the cult of Nudism, a mulligan stew of vegetarianism, physical culture and pagan worship." ["Time," July 1, 1929]
Nudie "a nude show" is from 1935.