This is the 12th most frequent Lithuanian word.
jau
Already; now; soon.
'Jau' is emphasizing that the action has been completed already, indicating a sense of time or immediacy.
Aš jau padariau savo namų darbus.
I have already done my homework.
'Jau' is used to inquire if the action of arriving has already occurred, denoting prior time.
Ar jau atėjai?
Have you arrived already?
'Jau' reinforces the aspect of duration, suggesting the duration has started in the past and continues or is emphasized.