ko which means “elder brother.” But in speaking, the sound ko alone would not always be easily understood in this sense. One must either reduplicate it and say ko-ko, or prefix
(ta, “great”) and say ta-ko. Simple reduplication is mostly confined to family appellations and such adverbial phrases as
man-man, “slowly.” But there is a much larger class of pairs, in which each of the two components has the same meaning. Examples are:
k‘ung-p‘a, “to be afraid,”
kao-su, “to tell,”