Where does “-sen” come from?

-sen (Middle English) comes from Old English -sian, from Proto-West Germanic -isōn, from Proto-Germanic -isōną — Creates denominatives from adjectives or nouns.

Ancestry of “-sen”, step by step

StepLanguageWordMeaning
1Old English-sianverbal suffix added to adjectives and nouns,...
2Proto-West Germanic-isōn—
3Proto-Germanic-isōnąCreates denominatives from adjectives or nouns

Words derived from “-sen”

Every word from Proto-Germanic -isōną →Every word from Proto-West Germanic -isōn →Every word from Old English -sian →