FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

agalliao ἀγαλλιάω — ag-al-lee-ah'-o — from agan (much) and 242; properly, to jump for joy, i.e. exult:--be (exceeding) glad, with exceeding joy, rejoice (greatly).

see GREEK for 242