linjoihin
Linjoihin is the illative plural form of the Finnish noun linja, which can mean a line, a route or a policy/approach. In its illative form, linjoihin expresses movement into or inclusion within multiple lines or line-like groupings. The form is used with verbs that govern illative case, such as kuulua (to belong to) or liittyä (to relate to), as in sentences that describe membership or association with a set of lines.
Etymology and morphology: Linja is a common Finnish word with several senses, including physical lines, transportation
Usage: In transportation and infrastructure, linjoihin is used to refer to a group of bus, rail, or
See also: linja, illatiivi (illative case), kuulua, liittyä.