tantamount

adj. 同等的；相当于…的

中文词源

tantamount 无异于，一样坏

来自短语 tant amount,等同，一致，来自拉丁语 tantus,一样的，一致，来自 tam,因此，所以，词源同 tandem,this,that.主要用于贬义修饰。

tantamount: tantamount: [17] Tantamount means etymologically ‘amounting to as much’. It comes from an earlier verb tantamount ‘amount to as much as, be equal to’, which was a lexicalization of the Anglo-Norman expression tant amunter ‘amount to as much’. This was made up of tant ‘as much’, which came via Old French from Latin tantus, and amunter, ancestor of English amount.
=> amount, paramount
tantamount (adj.): 1640s, from verbal phrase tant amount "be equivalent" (1620s), from Anglo-French tant amunter "amount to as much" (late 13c.), from Old French tant "as much" (11c., from Latin tantus, from tam "so;" see tandem) + amonter "amount to, go up" (see amount (v.)).

2. If he resigned it would be tantamount to admitting that he was guilty.: 他若辞职就等于承认自己有错。

4. Her confession was simply tantamount to a casual explanation.: 她的自白简直等于一篇即席说明.

5. To neglect or forget aspects of the past is tantamount to rewriting history, and anyone who has read Animal Farm knows where that can lead.: 忽视或忘记过去无异于篡改历史，凡是读过《动物农场》的人都知道那会导致什么后果。