"calends : Often with initial capital: the first day of a month, particularly (Ancient Rome,..."
(by extension) A day for settling debts and other accounts.
(by extension, biblical, Judaism, obsolete) Synonym of Rosh Hodesh (“the Jewish festival of the new moon, which begins the months of the Hebrew calendar”)
(rare) Synonym of calendar; (figuratively) an account, a record.
(figuratively, obsolete) The first day of something; a beginning.
Happy New Year from all of us at the English Wiktionary!”
- https://en.wiktionary.org/wiki/calends#English
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