until   
ambaraka
until, till. This word is much used with the verbal nouns in f, the weak syllable -ka dropping out, and the f changing to p, as ambarapandehako, from ambaraka and fandeha. Ambaratonga, a ladder, is also derived from the same. [Richardson 1885]
mandraka
up to, until (of time) [Hallanger 1973]
mandritra
during, until the end of [Hallanger 1973]