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provedore [provedore 词源字典]: also providore, 1570s, from Portuguese provedor, Spanish proveedor, perhaps via Venetian dialect, from an agent noun from verbs rooted in Latin providere (see provide).[provedore etymology, provedore origin, 英语词源]
unapproved (adj.): early 15c., from un- (1) "not" + past participle of approve (v.).
unimproved (adj.): 1660s, "not made better," from un- (1) "not" + past participle of improve (v.). Sense of "not developed or taken advantage of" (of land) is recorded from 1781.
unproved (adj.): "not demonstrated to be true," 1530s, from un- (1) "not" + past participle of prove (v.).