This is the 66th most frequent Lithuanian word.
laiko
The Lithuanian word "laiko" can mean "time" (genitive singular of "laikas") or "holds" (third person singular of "laikyti").
The word "laiko" in this sentence translates to "keeps" or "holds" in the sense of maintaining or upholding something.
Petras visada laiko savo pažadus.
Petras always keeps his promises.
In this context, "laiko" means "time" as in the concept of time one has (or doesn't have) at their disposal.
Mano laikrodis rodo, kad dabar yra dešimta valanda, bet aš neturiu laiko diskusijoms.
My watch shows that it is ten o'clock, but I have no time for discussions.
Here, "laiko" refers to "time" as a continuous flow or inherent existence.