9 letters · 14 points in Scrabble
noun a precautionary measure warding off impending danger or damage or injury etc.
noun a document or escort providing safe passage through a region especially in time of war
verb make safe
originFrom Middle English savegard, from Middle French sauvegarde, from Old French salve garde, sauve garde, reconstructed as safe + guard.
Etymology from Wiktionary, CC BY-SA 3.0