I. adverb Date: 15th century every week ; once a week ; by the week, II. adjective Date: 15th century occurring, appearing, or done ~ , reckoned by the week , III. noun (plural weeklies) Date: 1832 a ~ newspaper or periodical
WEEKLY
Meaning of WEEKLY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012