This is the 43rd most frequent Lithuanian word.
šiuo
"Šiuo" means "this" (instrumental/locative case) in English.
Šiuo is used as an instrumental singular pronoun indicating the road being traveled ('on this').
Aš keliauju šiuo keliu.
I am traveling on this road.
Šiuo is used as an adverbial pronoun indicating time ('at this') focusing on the present moment.
Šiuo metu mokausi kalbų.
At this moment, I am learning languages.
Šiuo modifies 'metu' to specify the particular 'time' discussed ('at this time').