divaricateyoudaoicibaDictYouDict[divaricate 词源字典]
"Stretch or spread apart; diverge widely", Early 17th century: from Latin divaricat- 'stretched apart', from the verb divaricare, from di- (expressing intensive force) + varicare 'stretch the legs apart' (from varicus 'straddling').[divaricate etymology, divaricate origin, 英语词源]