Vertikaalista
Vertikaalista is the partitive singular form of the Finnish adjective vertikaalinen, meaning vertical. In Finnish grammar, adjectives decline to match the noun in case and number, and vertikaalinen has several inflected forms. Vertikaalista is used when the modified noun is in the partitive case or in constructions that require a partitive object or complement.
The form is common in technical, architectural, and design texts, where describing orientation or alignment in
As a grammatical inflection, vertikaalista does not constitute a separate lexical item with a distinct meaning
See also: vertikaalinen, vertical, Finnish grammar: adjectives, Finnish morphology.