| 词汇 | rex |
| 词根词缀 | 词源： 1617, from L. rex (gen. regis) "a king," related to regere "to keep straight, guide, lead, rule," from PIE base *reg- "to rule, to lead straight, to put right" (cf. Skt. raj- "king;" O.Ir. ri, gen. rig "king;" see regal). |
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