decussate (v.)youdaoicibaDictYouDict[decussate 词源字典]
1650s, from Latin decussatus, past participle of decussare "to divide crosswise, to cross in the form of an 'X,'" from decussis "the figure 'ten'" (in Roman numerals, represented by X) from decem "ten" (see ten). As an adjective, from 1825.[decussate etymology, decussate origin, 英语词源]