12 letters · 14 points in Scrabble
noun a prayer to God on behalf of another person
noun the act of intervening (as to mediate a dispute, etc.)
originFirst attested in the early 15th Century. From Middle French intercession, from Old French intercession, from Latin intercessiō, from intercēdō, from inter- (“between”) + cēdō (“to go”) (English cede), literally “go-between”.
Etymology from Wiktionary, CC BY-SA 3.0