Where does “喇嘛” come from?

喇嘛 (Chinese) comes from Classical Mongolian ᠯᠠᠮᠠ, from Classical Mongolian ᠯᠠᠮ᠎ᠠ, from Tibetan བླ་མ, from Tibetan མ, from Proto-Sino-Tibetan ma — no, not, negative, not have, none.

喇嘛 (Chinese): lama

Definitions

lama

Ancestry of “喇嘛”, step by step

Step	Language	Word	Meaning
1	Classical Mongolian	ᠯᠠᠮᠠ	—
2	Classical Mongolian	ᠯᠠᠮ᠎ᠠ	—
3	Tibetan	བླ་མ	lama - an accomplished spiritual teacher, guru
4	Tibetan	མ	mother; goddess; negates the following verb in...
5	Proto-Sino-Tibetan	ma	no, not, negative, not have, none

Every word from Proto-Sino-Tibetan ma →Every word from Tibetan མ →Every word from Tibetan བླ་མ →