I. noun suffix
Etymology: in sense 1, from Latin -ides, masculine patronymic suffix, from Greek -idēs; in sense 2, from Italian -ide, from Latin -id-, -is, feminine patronymic suffix, from Greek
1. one belonging to a (specified) dynastic line <Abbasid> 2. meteor associated with or radiating from a (specified) constellation or comet <Perseid> II. noun suffix Etymology: probably from Latin -id-, -is, feminine patronymic suffix, from Greek body ; particle <chromatid>
New Collegiate Dictionary. 2001.