| 释义 |
bis·sex·tile day
\(ˈ)bī, bə̇+\ noun
Etymology: Medieval Latin bissextilis, bisextilis of a bissextus, from Late Latin bissextus, bisextus, an intercalary day in the Julian calendar, from bi- bi (I) or bis- + sextus sixth; from its following February 24, the 6th day before the calends of March — more at sixth
: leap day |