Where does “wontcha” come from?

wontcha (English) comes from English cha, from Hindi चा, from Persian چا, from Chinese 茶, from Proto-Loloish la¹, from Proto-Sino-Tibetan s-la — leaf; tea; flat object.

wontcha (English): Won't you

Definitions

Won't you

Ancestry of “wontcha”, step by step

wontcha traces back through two separate lines of ancestry.

via English cha

Step	Language	Word	Meaning
1	English	cha	tea, sometimes specifically masala chai; You;...
2	Hindi	चा	Alternative form of चाय
3	Persian	چا	tea
4	Chinese	茶	tea
5	Proto-Loloish	la¹	tea
6	Proto-Sino-Tibetan	s-la	leaf; tea; flat object

via English won't

Step	Language	Word	Meaning
1	English	won't	will not
2	English	wonnot	will not
3	Middle English	wolnot	—
4	Middle English	will not	—

Every word from Proto-Sino-Tibetan s-la →