harmless
adj.
c.1300, "uninjured," from harm, n. + -less. Meaning "undamaged" is from late 14c. Related: Harmlessly; harmlessness.
| 词汇 | harmless | 
| 词根词缀 | Online Etymology Dictionary harmless adj. c.1300, "uninjured," from harm, n. + -less. Meaning "undamaged" is from late 14c. Related: Harmlessly; harmlessness. | 
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