Dictionary

Hammedatha

Easton's Dictionary

Father of Haman, designated usually “the Agagite” (Esther 3:1, 10; 8:5).

Smith's Dictionary

(double), father of the infamous Haman. (Esther 3:1,10; 8:5; 9:24)

International Standard Bible Encyclopedia

ham-e-da'-tha (hammedhatha'): The father of Haman (Es 3:1). He is generally termed the "Agagite"; the name is of Persian etymology, signifying "given by the moon."