Λέρνος
Could not find Λέρνον in Logeion dictionaries.
Λέρνον Proper-name noun: masculine accusative singular of Λέρνος
Λέρνος -ου, ὁ Lernos, male name Ap. 1.135 etc.
Λέρνος, ου (ὁ) Lernos, h. A. Rh. 1, 135, etc. ; Orph. Arg. 211.