käivitasin

Käivitasin is an Estonian verb form meaning “I started” or “I activated.” It is the first-person singular past tense (aorist) of the verb käivitama, which means to start up, activate, or initialize. As a finite verb form, käivitasin denotes that the speaker performed the action in the past.

Morphology and related forms: The present tense of käivitama is käivitan, while the past tense for other subjects has its own forms (for example, käivitasid for “you started,” käivitas for “he/she started”). The past participle is käivitatud, indicating that something has been started or initialized. The noun derived from the verb is käivitus (activation or initiation). Imperatives include käivita! (start, singular) and käivitage! (start, plural or formal).

Usage: Käivitasin is commonly used in technical and professional contexts, such as computing, engineering, and project management, to describe initiating processes, launching software, or starting machines. It can also be used metaphorically to denote triggering or beginning an event or sequence of actions. In formal writing, käivitama and related forms often appear when detailing steps in procedures or configurations.

Etymology and relation to other forms: Käivitasin is formed from the root käivita- and the first-person singular past tense suffix -sin. The noun käivitus (activation/initiation) and the participle käivitatud share the same semantic root, reflecting the concept of starting or enabling a system or process.

See also: käivitama, käivitus, käivituslik. These terms cover related meanings of starting, initiating, and activating in Estonian.