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obtund

vt. 使缓和，使迟钝；减轻

中文词源

obtund 使迟钝，缓和

ob-,向前，朝向，-tund,击，打，使钝化，来自PIE*steu,击，打，词源同obtuse,contusion,type.

英文词源

obtund (v.): c. 1400, (transitive) "to render dead, make dull," used occasionally in English, especially in medical jargon; from Latin obtundere "to blunt, make dull, weaken, exhaust," literally "to beat against" (see obtuse). Related: Obtundation; obtunded.

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