This is the 5154th most frequent French word.
anc
The term "anc" does not exist as a standalone word in modern French. It may be a typo or abbreviation.
In this sentence, 'ancien' is used as an adjective meaning 'old' to describe the particular type of French language used.
Le document est écrit en ancien français.
The document is written in Old French.
Here, 'ancien' qualifies 'monument', indicating that the structure is historically old or ancient.
Le monument ancien se trouve au centre de la ville.
The ancient monument is located in the center of the town.
In this context, 'ancien' reflects the historical or traditional aspect of the ritual.