Where does “seige” come from?

seige (Old French) comes from Vulgar Latin sedicum, from Latin sedem — accusative singular of sēdēs.

Ancestry of “seige”, step by step

StepLanguageWordMeaning
1Vulgar Latinsedicum—
2Latinsedemaccusative singular of sēdēs
Every word from Latin sedem →Every word from Vulgar Latin sedicum →