generated at
revolve

verb no object
move in a circle on a central axis:
〈天体などが〉 «…の周りを/…を軸に» 回転する(rotate) «(a)round/on» ; 循環する; 一巡する
e.g. overhead, the fan revolved slowly.
e.g. the earth revolves around the sun.
〈生活・活動などが〉 «…を中心に» 動いている, 回っている; 〈議論などが〉 «…を» 話題とする, 巡る «(a)round» (!進行形にしない)
e.g. their whole lives revolved around the company.
with object consider (something) repeatedly and from different angles:
⦅かたく⦆ …に思いを巡らす, …を思案[熟考]する
e.g. her mind revolved the possibilities.

ORIGIN
late Middle English (in the senses ‘turn (the eyes) back’, ‘restore’, ‘consider’): from Latin revolvere, from re-back’ (also expressing intensive force) + volvereroll’.