/ ˈkəʊdɪsɪl; NAmE ˈkɑːdəsl/ noun
( law ) an instruction that is added later to a will , usually to change a part of it
••
WORD ORIGIN
late Middle English : from Latin codicillus , diminutive of codex , codic- , literally block of wood , later denoting a block split into leaves or tablets for writing on, hence a book. See code .