Word Origin & History
syllabus1656, "table of contents of a series of lectures, etc.," from L.L. syllabus "list," a misreading of Gk. sittybos (pl. of sittyba "parchment label, table of contents," of unknown origin) in a 1470s edition of Cicero's "Ad Atticum" iv.5 and 8. The proper plural would be syllabi,