suomeksi
Suomeksi is the translative form of suomi, the Finnish name for the Finnish language. In Finnish grammar, -ksi is a translative suffix used to indicate the language in which something is expressed or translated. Therefore suomeksi literally means “in Finnish” and functions as an adverb or language marker.
Usage includes indicating the language of speech or text: “Puhun suomeksi.” (I speak in Finnish.) “Kirjoita suomeksi.”
In Finnish, similar forms exist for other languages, such as englanniksi (in English) or ruotsiksi (in Swedish).
Origins and function: The translative suffix -ksi is a grammatical feature of Finnish used to express transformation,