| 词汇 | roost |
| 词根词缀 | 词源： late O.E. hrost "wooden framework of a roof, perch," from a Gmc. source, related to O.S. hrost, M.Du., Flem., Du. roest, roost "framework of a roof," O.N. hrot, Goth. hrot "roof." Exact relationship and ulterior connections unknown. The verb is from 1530. To rule the roost is recorded from 1769. |
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