Where does “*let” come from?

*let (Proto-Tibeto-Burman) comes from Proto-Sino-Tibetan s-ni-s — seven.

Ancestry of “*let”, step by step

StepLanguageWordMeaning
1Proto-Sino-Tibetans-ni-sseven

Words derived from “*let

Every word from Proto-Sino-Tibetan s-ni-s
*let — Etymology, Origin & Word History | Etymology Explorer