| 词汇 | otiose |
| 词根词缀 | 词源： 1794, "unfruitful, futile," from L. otiosus "having leisure or ease, not busy" (cf. Fr. oiseux, Sp. ocioso, It. otioso), from otium "leisure," of unknown origin. Meaning "at leisure, idle" is recorded from 1850. |
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