bissextile

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bissextile

  • /bɪˈsɛkstɪl/ UK
  • /bɪˈsɛks.taɪəl/ US
  • /bɑɪˈsɛks.tɑɪl/ US
  • /bɑɪˈsɛks.təl/ US
  • /bɪˈsɛks.təl/ US

Where it comes from

From Latin bisextilis/bissextilis (annus) (“bissextile year”), from bisextus + -ilis, from bis- (“two; twice; doubled”) + sextus (“sixth”) + dies (“day”), from the Julian calendar's original reckoning of its quadrennial intercalary day as a 48-hour February 24, subsequently distinguished as the two separate days of the sixth day before the March calends (ante diem sextum Kalendas Martias) and the "doubled sixth day". (February 24 is now normally understood as five days before the first of March, but was called the sixth by the Romans owing to their inclusive counting of dates. See Roman calendar on Wikipedia.)

adjective

  1. not comparable Being or having an intercalary day, particularly the quadrennial leap day of the Julian and Gregorian calendars traditionally placed as a "second sixth" day before March 1st. The additional day which occurred every fourth year [after the Julian Reform] was given to February, as being the shortest month, and was inserted in the calendar between the 24th and 25th day. February having then twenty-nine days, the 25th was the 6th of the calends of March, sexto calendas; the p

noun bissextiles

  1. Synonym of leap year: a year with an intercalary day.

    Similar: leap year

Translations

Every language

adj having an extra day

Españolbisiesto
日本語閏 urū
Portuguêsbissexto
Françaisbissextil
Deutschcompound with Schalt-
Русскийвисоко́сный visokósnyj

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MLA

"bissextile." Wiktionary, via Micwyn, micwyn.com/word/bissextile. Accessed 6 Nov. 2026.

APA

bissextile. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/bissextile

Chicago

"bissextile." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/bissextile.

BibTeX
@misc{bissextile_2026,
  title = {bissextile},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/bissextile},
  urldate = {2026-11-06}
}