exhaustion
n.
1640s, "fatigue," noun of action from exhaust, v. in sense of "drawing off" of strength. Etymological sense "act of drawing out or draining off" is from 1660s in English.
| 词汇 | exhaustion |
| 词根词缀 | Online Etymology Dictionary exhaustion n. 1640s, "fatigue," noun of action from exhaust, v. in sense of "drawing off" of strength. Etymological sense "act of drawing out or draining off" is from 1660s in English. |
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