Where does “siŋ” come from?

siŋ (Proto-Sino-Tibetan) comes from Proto-Sino-Tibetan siŋ ~ sik — tree; wood.

Ancestry of “siŋ”, step by step

StepLanguageWordMeaning
1Proto-Sino-Tibetansiŋ ~ siktree; wood
Every word from Proto-Sino-Tibetan siŋ ~ sik