välimised
Välimised is an Estonian word that serves as the plural form of the adjective välimine, meaning "outer" or "external." It can also be used as a noun in plural to refer to the "outer ones" or external components of a system. The term is generic and appears in discussions of structure, layering, or boundaries.
In practice, välimised is used with nouns denoting parts or layers, for example välimised kihid (outer layers)
Grammatically, välimine is the base form; välimised is the plural nominative, but the word can also function
See also: väline, välis- and the general concept of outer versus inner terminology in Estonian technical language.