Etymology tree substrateder.? Latin cicer Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ō Latin Cicerōlbor. English Cicero Learned borrowing from Latin Cicerō, a cognomen in reference to warts (cicer (“chickpea”)). The Latinate form, based on the nominative, displaced Middle English Ciceroun, based on the oblique stem.