Where does “-τητᾰ” come from?

-τητᾰ (Ancient Greek) comes from Ancient Greek -τής, from Ancient Greek πεῖρα, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “-τητᾰ”, step by step

StepLanguageWordMeaning
1Ancient Greek-τήςAppended to verbs to form agent nouns
2Ancient Greekπεῖραtrial, experiment, attempt
3Proto-Indo-Europeanper-before, in front; first; to go through
4Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “-τητᾰ”

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Ancient Greek -τής →