äärisää
Äärisää is a term that appears in a small number of Estonian-language texts but is not widely documented in dictionaries or encyclopedias. Because there is no consensus on its meaning or standard usage, the term is described here as it has appeared in limited sources. In practice, its sense can vary by context.
In some discussions, ää risää is used to denote edge cases—situations that lie at the boundary between
Etymology is not clearly established. The form appears to be a compound built from Estonian roots associated
Usage notes: Because ää risää lacks a stable definition, readers should consult field-specific sources when encountering