bisextilis
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
Latin > English
bisextilis bisextilis, bisextile ADJ :: leap (year); intercalary; (two "sixth" days before first/calends of March)
Latin > English (Lewis & Short)
bĭsextĭlis: e, adj. bisextus,
I containing an intercalary day: annus, Isid. Orig. 6, 17, 25.
Latin > French (Gaffiot 2016)
bĭsextīlis, e (bisextus), bissextile : Isid. Orig. 6, 17, 25.
Latin > German (Georges)
bisextīlis, a (bisextus), einen Schalttag enthaltend, Isid. 6, 17, 25.