Agenttipääte
Agenttipääte (Finnish: "agent suffix") is a grammatical morpheme in Finnish used to form agentive nouns from verbs. It corresponds functionally to English suffixes such as "-er" or "-or" and denotes an entity that performs the action expressed by the verb (for example, opettaa → opettaja, "to teach" → "teacher").
The most common form is -ja/-jä, with vowel selection governed by Finnish vowel harmony (front vowels take
The agenttipääte is productive in Finnish but coexists with other agentive or related suffixes such as -uri,
Agent nouns formed with agenttipääte typically denote people or animate agents, but can also yield instruments