Käigust
Käigust is the elative singular form of the Estonian noun käik. Käik has several core meanings, including a move or turn in a game or activity, a step or stage in a process, and a manner or mode of performing something. Käigust, as the elative case, typically expresses origin, source, or basis related to a particular move or stage within a sequence or procedure. It is most commonly found in formal or written Estonian and less often in everyday speech.
In practice, käigust appears in phrases that indicate a relationship to a move or stage. For example,
Syntactically, käik is a common Estonian noun with a broad range of uses, and käigust is one