laukaista

Laukaista is a Finnish verb meaning to trigger, to set off, or to discharge a mechanism or weapon. The primary sense is to initiate a mechanical action by activating a trigger, but the verb is also used in figurative contexts to describe starting a process, causing a reaction, or activating a system. In firearms terminology, the related noun laukaus denotes a firing or shot, and laukaisin refers to the trigger mechanism itself. The word appears in everyday language as well as technical and formal writing.

Common usages include:

- literal triggering of a device or weapon, for example when the trigger is pressed and the firearm fires: Aseen liipaisin painetaan, ase laukaisi laukauksen.

- triggering alarms or safety systems: Vaaratilanteessa varoitusjärjestelmä laukaisi.

- figurative or metaphorical triggering of events or reactions: Tapahtuma laukaisi laajan reaktion.

Etymology and related terms:

Laukaista derives from the same root as laukaus (firing, shot) and laukaisin (trigger). It is a regular Finnish verb in the -ista family and forms related nouns and adjectives, such as laukaus, laukaisin, and laukaisuvaikutus (the effect of triggering) in appropriate contexts.

Usage notes:

The sense is generally concrete when referring to physical mechanisms or weapons, and increasingly common in technical or computing language for initiating processes or events. In formal Finnish, laukaista can be used with both concrete devices and abstract sequences to convey the idea of causing something to start or to occur.

See also:

laukkaus, laukaisin, laukaisu, laukaisumekanismi.