/ Dictionary / Index F fons et origo*: Meaning and Definition of Find definitions for: fons et o•ri•go Pronunciation: (fôns' et ō-rē'gō Eng. fonz' et ō-rī'gō, ō-rē'-), [key] — Latin. Latin. source and origin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fonseca font Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language