ts'myuup [ts'm/*yuup]
Stem with modifying proclitic composed of: ts'm=  in, yuup  land/ground
common noun. menstruation closet. usage: A place within the house where a girl stayed during her first menstruation. She was confined to this place, fasting and being taught, for a set number of days

Bibliographic sources: Dunn, Practical Dictionary entry: 1966.
Source: Draft Dictionary entry.