Where does “*swe²” come from?

*swe² (Proto-Loloish) comes from Proto-Lolo-Burmese *swəj², from Proto-Sino-Tibetan *swiʔ — blood.

Ancestry of “*swe²”, step by step

StepLanguageWordMeaning
1Proto-Lolo-Burmese*swəj²—
2Proto-Sino-Tibetan*swiʔblood
Every word from Proto-Sino-Tibetan *swiʔ →Every word from Proto-Lolo-Burmese *swəj² →