küsimusest
küsimusest is the elative singular form of the Estonian noun küsimus, meaning "question". Formed by adding the suffix -st to the nominative base, it typically translates as "from the question" or, in common usage, "about the question" when used after verbs of speaking, thinking or writing.
Morphology and pronunciation: küsimus (nominative) → küsimusest (elative singular). Pronounced approximately [ˈkʏsimusest] in Estonian, with primary stress
Syntactic functions: the elative case indicates origin, source or separation and is often employed to mark
Etymology and cognates: küsimus derives from the verb küsima ("to ask") and belongs to the Finno-Ugric lexical