tuholaisiin

Tuholaisiin is a Finnish grammatical form rather than a standalone concept. It is the illative plural form of the noun tuholaine n, meaning pest or vermin. In Finnish, the illative case expresses direction toward or into something, so tuholaisiin translates roughly as “to the pests” or “into the pests” in contexts where pests are the target or focus of an action.

Etymology and form are straightforward within Finnish morphology. The base noun tuholaine(n) denotes organisms considered pests, such as crop-damaging organisms or vermin. The plural nominative is tuholaineet/tuholais, and the illative plural ending is -iin, yielding tuholaisiin. This inflected form is typically used in sentences that specify action directed at pests, for example: torjuntatoimenpiteet tulisi kohdistaa tuholaisiin (“control measures should be directed at the pests”).

Usage and nuance. In everyday Finnish, more common terms for pests are tuholaiset or tuhoeläimet. Tuholaisiin is primarily encountered in agricultural, ecological, or pest-management texts where the target group is referenced grammatically as the illative plural. It is not usually a standalone noun; rather, it appears as part of a larger clause or phrase.

See also. tuholainen, tuhoeläin, tuholaiset, tuhoeläimet, torjunta. These related terms cover the concept of pests and pest control in Finnish and provide broader linguistic and practical context for the form tuholaisiin.