Where does “quantité” come from?

quantité (Old French) comes from Latin quantitās, from Ancient Greek ποσότης, from Ancient Greek -τής, from Ancient Greek πεῖρα, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “quantité”, step by step

StepLanguageWordMeaning
1Latinquantitāsgreatness; extent; quantity; magnitude; size
2Ancient Greekποσότηςquantity
3Ancient Greek-τήςAppended to verbs to form agent nouns
4Ancient Greekπεῖραtrial, experiment, attempt
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “quantité

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Ancient Greek -τής