ääreen
ääreen is a Finnish inflected form that appears as the genitive singular of the noun ääre, a relatively obscure term that denotes an edge, border, or verge. In modern standard Finnish, the word for a typical edge or boundary is more commonly reuna; ääre is considered either archaic, dialectal, or literary. The form ääreen (and by extension ääreen-like constructions) is used mainly to indicate possession or relation to an edge within contexts where ääre is employed.
The noun ääre belongs to the broader semantic field of borders and extremities and is discussed mainly
In usage and study, ääreen is typically noted by linguists as an example of Finnish inflection patterns