This is the 17th most frequent Lithuanian word.
jo
"Jo" in Lithuanian means "his" or "yes" depending on the context.
In this sentence, 'jo' is used as a possessive pronoun that means 'his', referring to ownership.
Jo automobilis yra žalios spalvos.
His car is green.
Here, 'jo' functions again as a possessive pronoun meaning 'his', indicating whose story it is.
Ar girdėjai jo pasakojimą?
Have you heard his story?
In this context, 'jo' means 'yeah' and is used as a casual informal affirmation.