[Sat.ur.day] n [ME saterday, fr. OE saeterndaeg (akin to OFris saterdei), fr. L Saturnus Saturn + OE daeg day] (bef. 12c): the seventh day of the week -- Sat.ur.days adv
SATURDAY
Meaning of SATURDAY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012