- abecedary (n.)
[abecedary 词源字典]
- "primer, alphabet table," mid-15c., from Medieval Latin abecedarium "an ABC book," neuter of adjective abecedarius, used as a noun, from the first four letters of the Latin alphabet. Abecedarian (adj.) is attested from 1660s.[abecedary etymology, abecedary origin, 英语词源]