Where does “fightcha” come from?

fightcha (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.

Ancestry of “fightcha”, step by step

fightcha traces back through two separate lines of ancestry.

via English cha

StepLanguageWordMeaning
1Englishchatea, sometimes specifically masala chai; You;...
2HindiचाAlternative form of चाय
3Persianچاtea
4Chinesetea
5Proto-Loloishla¹tea
6Proto-Sino-Tibetans-laleaf; tea; flat object

via English fight

StepLanguageWordMeaning
1EnglishfightTo contend in physical conflict, either singly or...
2Middle EnglishfightenSimple past faght and past participle foghten...
3Old Englishfeohtanto fight
4Proto-West Germanicfehtanto fight
5Proto-Germanicfehtanąto comb, detangle
6Proto-Indo-Europeanpeḱ-to pluck; livestock; wealth
Every word from Proto-Sino-Tibetan s-la