Webster's Revised Unabridged Dictionary · 1913

Saturday

Saturday (?; 48) , noun

[Old English Saterday, Anglo-Saxon Saeterdaeg, Saeterndaeg, Saeternesdaeg, literally, Saturn's day, from Latin Saturnus Saturn + Anglo-Saxon daeg day; compare Latin dies Saturni.]

The seventh or last day of the week; the day following Friday and preceding Sunday.