Μαραθώνιος
Could not find Μαραθωνίων in Logeion dictionaries.
Μαραθωνίων proper-name adjective feminine genitive plural, proper-name adjective masculine genitive plural, proper-name adjective neuter genitive plural of Μαραθώνιος
Μαραθώνιος, α, ον [ᾰᾰ] de Marathon, Eschl. fr. Ep. 4 ; Plut. Thes. 14, etc.
Étym. Μαραθών.