Where does “Ca-li” come from?

Ca-li (Vietnamese) comes from Vietnamese Ca-li-phoóc-ni-a, from English California, from Spanish California.

Ancestry of “Ca-li”, step by step

StepLanguageWordMeaning
1VietnameseCa-li-phoóc-ni-a
2EnglishCaliforniaA region on the west coast of North America comprising the US state of California and the Baja California peninsula in Mexico; historically also including other areas in Alta California and Baja California
3SpanishCalifornia
Every word from Spanish CaliforniaEvery word from English CaliforniaEvery word from Vietnamese Ca-li-phoóc-ni-a