Webster's Revised Unabridged Dictionary
Pref. hyper-, + dulia,: cf. F. hyperdulie,
Chambers's Twentieth Century Dictionary
Gr. hyper, beyond, douleia, service.
Associated Words: mariolatry, mariolater, hyperdulia, Ave Maria.
"Putnam's Word Book" by Louis A. Flemming
Therefore she is to be venerated, to be saluted, and to be adored with the adoration of hyperdulia.
"Primitive Christian Worship" by James Endell Tyler
Dulia, Hyperdulia, or Hyperbole .