Where does “*b/ʔ-ləj²” come from?

*b/ʔ-ləj² (Proto-Lolo-Burmese) comes from Proto-Sino-Tibetan *pV-lij.

Ancestry of “*b/ʔ-ləj²”, step by step

Step	Language	Word	Meaning
1	Proto-Sino-Tibetan	*pV-lij	—

*b/ʔ-ləj² — Etymology, Origin & Word History | Etymology Explorer