英语词源字典 - 在线词源网站

alphabetical (adj.)[alphabetical 词源字典]: 1560s, from alphabet + -ical. Related: Alphabetically.[alphabetical etymology, alphabetical origin, 英语词源]
encyclopedia (n.): 1530s, "general course of instruction," from Modern Latin encyclopaedia (c. 1500), thought to be a false reading by Latin authors of Greek enkyklios paideia taken as "general education," but literally "training in a circle," i.e. the "circle" of arts and sciences, the essentials of a liberal education; from enkyklios "circular," also "general" (from en "in;" see in + kyklos "circle;" see cycle (n.)) + paideia "education, child-rearing," from pais (genitive paidos) "child" (see pedo-).

Modern sense of "reference work arranged alphabetically" is from 1640s, often applied specifically to the French "Encyclopédie ou Dictionnaire raisonné des Sciences, des Arts, et des Métiers" (1751-65). Related: Encyclopedist.
abecedarian: "Arranged alphabetically", Mid 17th century: from late Latin abecedarius 'alphabetical' (from the names of the letters a, b, c, d) + -an.