нийх • (nijh) (Mongolian spelling ᠨᠢᠭᠢᠬᠦ)
Probably from the Proto-Mongolic root *nï-, related to other secretion related words such as нус (nus, “snot”), нян (njan, “germ”) and нулимах (nulimah, “to spit”).
(Ulaanbaatar) IPA(key): /niːx/, [niːç]