The only free and comprehensive online etymological dictionary of the Spanish language
-men Remnant of a noun-forming suffix in Latin.
From Latin -men 'id.' From Proto-Italic *-men 'id.' From Proto-Indo-European *-mn̥ 'id.'
Indo-European
Balto-Slavic
Old Church Slavonic -me
Hellenic
Ancient Greek -μᾰ (-ma)
Armenian
Armenian -awn
Indo-Iranian
Sanskrit -man, Avestan -man
de Vaan, M. Etymological Dictionary of Latin and Other Italic Languages. BRILL. 2014.
Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/.
Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.