conjure

The story

1. Latin · derived fromconiūrō“to swear together; conspire”
2. Old French · derived fromconjurer
3. Middle English · inherited fromconjuren
4. English todayconjure

From Middle English conjuren, from Old French conjurer, from Latin coniūrō (“to swear together; conspire”), from con- (“with, together”) + iūro (“to swear or take an oath”).