rely

The story

1. Latin · derived fromreligo“fasten, bind fast”
2. Old French · derived fromrelier“fasten, attach, rally, oblige”
3. Middle English · inherited fromrelien
4. English todayrely

From Middle English relien, from Old French relier (“fasten, attach, rally, oblige”), from Latin religo (“fasten, bind fast”), from re- + ligo.