Where does “jouste” come from?

jouste (Old French) comes from Old French juster, from Vulgar Latin iuxtare, from Latin iuxtā — nearly, nigh.

Ancestry of “jouste”, step by step

StepLanguageWordMeaning
1Old FrenchjusterAlternative form of joster
2Vulgar Latiniuxtare—
3Latiniuxtānearly, nigh
Every word from Latin iuxtā →Every word from Vulgar Latin iuxtare →Every word from Old French juster →