来自古英语 rima,边沿，边界，河岩，海岸，来自 Proto-Germanic*remo,边沿，边界，可能来 自 PIE*rei,撕，刮，词源同 rive,rift.后词义通用化。
英文词源rim Old English rima "edge, border, verge, coast," as in særima "seashore," literally "rim of the sea," and dægrima "dawn," literally "rim of the day." Related to Old Norse rime, rimi "a raised strip of land, ridge," Old Frisian rim "edge," but with no other known cognates. The snare drummer‘s rim shot is recorded from 1934.rim 1794, "to fit with a rim," from rim . Sexual senses from 1920s, some perhaps influenced by ream . Related: Rimmed; rimming.双语例句1. Far up the west rim of the canyon, a coyote yipped twice.远处峡谷的西缘，一只丛林狼嚎叫了两声。来自柯林斯例句
2. She sipped from her coffee mug, watching him over the rim.她端着咖啡杯小口地喝着，目光越过杯沿注视着他。来自柯林斯例句
3. I prised off the metal rim surrounding one of the dials.我把其中一个刻度盘的金属边撬开了。来自柯林斯例句
4. There‘s a hairline crack in the rim of that jar.那只罐子的口沿有条极细的裂缝。来自柯林斯例句
5. He looked at them over the rim of his glass.他从杯口的上方看着他们。