vuoroihin

Vuoroihin is the illative plural form of the Finnish noun vuoro, which means a shift, a turn, or a duty. The illative case indicates direction toward or entry into something, and in the plural form vuoroihin it expresses movement toward or inclusion in multiple shifts or rounds. The term is commonly used in contexts involving scheduling, rotation systems, or turn-taking.

Morphology and related forms: The base noun vuoro has a plural nominative form vuorot (shifts or turns). The illative plural suffix -iin attaches to the plural stem, yielding vuoroihin. Related forms include illative singular vuoroon (into a shift or turn) and the genitive plural vuorojen (of the shifts/turns).

Usage: Vuoroihin appears frequently in work scheduling, manufacturing, healthcare, and other settings where people are assigned to successive shifts. It can denote movement into or assignment to the set of shifts. For example, a sentence might say that employees are divided into three vuoroihin, and that each person belongs to a specific shift. The term also appears in planning and logistics documents that describe how personnel or resources transition between shifts.

See also: vuoro (turn, shift), vuorotyö (shift work), vuorojen järjestäminen (scheduling of shifts).

Notes: Vuoroihin is a formal, neutral term mainly used in written and administrative Finnish. In everyday speech, speakers may use the corresponding singular illative vuoroon or the more general word for a “shift” depending on the context.