Where does “-t” come from?

-t (Old English) comes from Proto-Germanic -þiz, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Ancestry of “-t”, step by step

StepLanguageWordMeaning
1Proto-Germanic-þizForms abstract nouns from verb roots, usually...
2Proto-Indo-European-tisDerives abstract/action nouns from verb roots

Words derived from “-t

Every word from Proto-Indo-European -tisEvery word from Proto-Germanic -þiz