This word is from the Spanish cuarta.
ku·war·tá
kuwartá
money
spelling variation: kuwaltá
It’s now very rare for Filipinos to use the Spanish-derived word kuwarta for “fourth” — the preference is for the native Tagalog ikaapat.
MGA KAHULUGAN SA TAGALOG
kuwartá: salapi
makuwarta / makuwalta: mayaman; maraming pera
kuwárta: ikaápat