7 letters · 9 points in Scrabble
verb cover or coat with a crust
verb decorate or cover lavishly (as with gems)
verb form a crust or a hard layer
originFrom French incruster, from Latin incrustare, from in- (“in”) + crustare (“to cover with a crust”). By surface analysis, en- + crust.
Etymology from Wiktionary, CC BY-SA 3.0