устата
Yakut
editEtymology
editOriginally the possessive of уста (usta, “length”), which it can still mean. It does not take the dative ending, but functions as a true postposition. This in turn means that the noun it modifies does not need a different case ending.
Postposition
editустата • (ustata)
- during
- for, throughout (a given length of time)
- (after a verb) while