quotidian
The origin and history of quotidian.
Etymology
Came from Anglo-Norman cotidian, cotidien and Middle French cotidian, cotidien, and their source, Latin cottīdiānus, quōtīdiānus (“happening every day”), from the adverb cottīdiē, quōtīdiē (“every day, daily”), itself from an unattested adjective formed from quot (“how many”) and a locative form of diēs (“day”).