词根词缀：arc, arc-, arci-, arch, arch-

【来源及含义】Latin: arcus, bow, a curved structure

【同源单词】arc, arc lamp, arcade, arcaded, arch, arched

词根词缀：volv-, volu-, -volve, volut-, -volute, -volution

【来源及含义】Latin: bend, curve, turn, turn around, twist, roll

【相关词根词缀】 Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; tropo-; verg-; vers-.

【同源单词】advolution, archivolt, circumvolute, circumvolutio, circumvolution, circumvolve