ssässapäätteet
Sässapäätteet is a term used in some Finnish linguistic discussions to refer to the suffixes that express location or state in the context of the inessive case, most notably the ending -ssa/-ssä. The name is a playful fusion of the inessive ending -ssa/-ssä and the word päätteet, meaning suffixes. In standard grammars the phenomenon is described under the inessive case, but some teaching resources and online discussions use sässapäätteet as a shorthand to illustrate how locative suffixes function in Finnish.
The inessive suffix marks location “inside” or “in” a place. The common surface forms are -ssa and
Relation to other locative forms
Sässapäätteet describe the inessive category alongside related locative forms such as elative (-sta/-stä), illative (-Vn or
Finnish grammar, inessive case, locative suffixes, -ssa/-ssä endings.