procession

The story

1. Latin · derived fromprōcessiō“a marching forward, an advance, in Late Latin a religious procession”
2. Old French · derived frompourciession
3. Middle English · inherited fromprocessioun
4. English todayprocession

From Middle English processioun, borrowed from Old French pourciession, from Latin prōcessiō (“a marching forward, an advance, in Late Latin a religious procession”), from prōcēdere, past participle prōcessus (“to move forward, advance, proceed”); see proceed.