mandatory
adj.
1570s, "of the nature of a mandate," from Late Latin mandatorius "pertaining to a mandator," from Latin mandatus, past participle of mandare (see mandate, n.). Sense of "obligatory because commanded" is from 1818.
| 词汇 | mandatory |
| 词根词缀 | Online Etymology Dictionary mandatory adj. 1570s, "of the nature of a mandate," from Late Latin mandatorius "pertaining to a mandator," from Latin mandatus, past participle of mandare (see mandate, n.). Sense of "obligatory because commanded" is from 1818. |
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