Where does “matcha” come from?

matcha (French) comes from Japanese 抹茶, from Japanese 茶, from Japanese 葉, from Middle Chinese 葉.

matcha (French): matcha

Definitions

Step	Language	Word	Meaning
1	Japanese	抹茶	powder of matcha; The Japanese green tea made...
2	Japanese	茶	tea; brown
3	Japanese	葉	leaf, needle, blade; a season, an age: a shorter...
4	Middle Chinese	葉	—

matcha — Etymology, Origin & Word History | Etymology Explorer