This is the 15725th most frequent Russian word.
присягу
Oath.
In this sentence, 'присягу' refers to a formal pledge or oath that symbolizes a promise or commitment to loyalty.
Он дал присягу на верность своему народу.
He took an oath of allegiance to his people.
Here, 'присягу' is used to signify the official oath or pledge taken by soldiers as part of their duty.
Солдаты приняли присягу на верность государству.
The soldiers took the oath of allegiance to the state.
In this example, 'присяги' (genitive case of 'присяга') is part of the phrase 'слова присяги', referring to the words making up the formal oath being spoken.