not used for one's mother's sisters. Likewise, the term thângmi is used for one's spouse's father, one's mother's brother, and one's father's sister's husband, but not one's father's brothers. Numeral System Byangsi uses a non-base 10 decimal numeral system. It uses prefixes as multipliers. Table modified from Chan. Note that sai and haja:r are borrowed from Indo-Aryan. Multiplicative words are formed by reduplicating the main word, for example, using pipi to mean four times (from pi), or the suffix -tsu, such as pitsu to achieve the same meaning. Fractions are expressed by local measurements except for one word, "phyε," which means "half" and is never modified. Vocabulary Select assorted vocabulary (not comprehensive): References Bibliography Further reading Endangered languages of India Languages of Uttarakhand Languages of Nepal West Himalayish languages Languages of Sudurpashchim Province