Where does “anciennement” come from?

anciennement (Norman) comes from Norman ancienne, from Norman ancien, from Old French anciien, from Vulgar Latin anteanus, from Latin ante, from Ancient Greek κλίσις, from Ancient Greek -σῐς, from Ancient Greek -τις — Derives abstract/action nouns from verb roots.

Definitions

Ancestry of “anciennement”, step by step

StepLanguageWordMeaning
1Normananciennefeminine singular of ancien; ancient
2Normanancienancient
3Old Frenchanciienformer, ancient
4Vulgar Latinanteanusold, ancient
5Latinantebefore, in front, forwards; before; before,...
6Ancient Greekκλίσιςbending, inclination; a lying down; a place for...
7Ancient Greek-σῐς"suffix forming nouns"
8Ancient Greek-τιςretained after dentals
9Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tisEvery word from Ancient Greek -σῐςEvery word from Ancient Greek κλίσις