Etymology of the English word monanthous
the English word
monanthoususing the English prefix
mono-derived from the French prefix
mono-derived from the New Latin prefix
mono-derived from the Late Greek prefix
mono-, μονο-
derived from the Greek word
monos, μόνος (alone; single; remaining; sole or single; by implication, mere)
derived from the Proto-Indo-European root
*men-Date
The earliest known usage of monanthous in English dates from the 19th century.