centavo
/θenˈtabo/ · B1 · adj
cent
🪙 centavo = cent (hundred) + -avo (-th): a hundredth, like octavo = eighth
Spanish builds fractions with -avo: onceavo is an eleventh, doceavo a twelfth. Stick it on cien/cent- and you get centavo, one hundredth. A cent is one hundredth of a peso or dollar, the same Latin centum behind English cent and century.