This is the 4393rd most frequent French word.
grecs
"Grecs" means "Greeks" in English, referring to people from Greece.
The word 'grecs' here is used as an adjective to describe philosophers who are Greek culturally or nationally.
Les philosophes grecs ont influencé la pensée occidentale.
Greek philosophers influenced Western thought.
The word 'grecs' in this case is used as a noun to represent the people of Greece collectively.
Les grecs sont réputés pour leur hospitalité.
Greek people are known for their hospitality.
Here, 'grecs' is functioning as an adjective to describe the texts, specifying that they originate from Greece.