This is the 15207th most frequent Russian word.
пообещали
"Пообещали" means "promised."
The word 'пообещали' is used as the past tense of 'promise,' indicating a completed action by a plural subject.
Они пообещали прийти завтра.
They promised to come tomorrow.
Here 'пообещали' signifies a pledge or commitment made in the past to provide help, again used with a plural subject.
Мы им пообещали помощь.
We promised them assistance.
In this context, 'пообещали' conveys a past instance of assuring or giving their word regarding a specific agreement or action.