mono-youdaoicibaDictgodict[mono- 词源字典]
word-forming element meaning "one, alone; containing one (atom, etc.)," from Greek mono-, comb. form of monos "single, alone," from PIE root *men- "small, isolated" (cognates: Greek manos "rare, sparse," Armenian manr "thin, slender, small," and perhaps English minnow).[mono- etymology, mono- origin, 英语词源]