jõustub

Jõustub is an Estonian verb form used to denote becoming stronger or taking effect. It is the third-person singular present tense form of the verb jõustuma. In everyday language, jõustub describes a person or animal gaining strength through training or recovery. In legal and administrative contexts, jõustub means that a rule, agreement, or contract comes into force or takes effect.

Etymology and related forms: The verb is related to the noun jõud, meaning power or strength, and to other forms such as jõustada (to empower) and jõustuma (to become stronger or to come into force). The form jõustub specifically marks the present-tense, third-person singular usage.

Usage notes: Jõustub is predominantly used with inanimate or animate subjects depending on meaning. In sports and fitness contexts, it conveys physical improvement. In legal or formal texts, it conveys the commencement or enforcement of laws, contracts, or regulations.

Examples:

- Ta jõustub iga treeninguga. (He becomes stronger with every training session.)

- Leping jõustub 1. jaanuaril. (The contract takes effect on January 1.)

See also: jõud, jõustuma, jõustada.