This is the 312th most frequent Lithuanian word.
jūs
"You" (formal or plural).
In this case, 'jūs' is the pronoun used to politely address someone or a group when asking if they would like tea.
Ar jūs norite arbatos?
Do you want tea?
'Jūs' in this sentence shows the instrumental form 'jumis', indicating company or togetherness in an activity.
Mes su jumis gerai leidžiame laiką.
We are having a good time with you.
Here, 'jūs' is used as the formal singular 'you' or the plural 'you', addressing someone respectfully or addressing multiple individuals.