LSJ
ῆρος, ὁ, child-slaying, Suid. ; — fem. παιδολέτειρα, ἡ, murderess of her children, E. Med. 849 (lyr.), APl. 4.138.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
ῆρος, ὁ, Kindermörder, VLL.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)