insipient (adj.)youdaoicibaDictYouDict[insipient 词源字典]
"foolish," mid-15c., from Latin insipientem (nominative insipiens) "unwise, foolish," from in- "not" (see in- (1)) + sapientem (see sapient). "Now mostly, or wholly, disused to avoid confusion with incipient" [OED].[insipient etymology, insipient origin, 英语词源]