directory
n.
1540s, "guide, book of rules," from Medieval Latin directorium, noun use of neuter of Latin directorius, from directus (see direct, v.). Meaning "alphabetical listing of inhabitants of a region" is from 1732; listing of telephone numbers is from 1908. As an adjective, from mid-15c.
〔李〕[direct v. 指示;-ory ⇒“a book used for directing用来指示⋯的书”→] n. a list of names and addresses姓名地址录