This is the 14th most frequent Lithuanian word.
iki
"Until" or "to."
Lithuanian 'iki' here is used as a preposition to mean 'until' or 'till', conveying a farewell until the next meeting.
Iki pasimatymo!
See you later!
In this case, 'iki' is used to indicate the endpoint of an action in terms of place or extent.
Važiuok iki miestelio krašto.
Drive until the edge of the town.
Here, 'iki' shows a temporal limit, describing the time period of waiting.