Origin: bef. 1050; ME tewesday, OE tīwesdæg (c. OHG zīestac, ON tȳsdagr), orig. phrase Tīwes daeg Tiu's day, translating L diēs Mārtis day of Mars. See Tiu, 's1, day
Tues·day (tōōz'dē, -dā', tyōōz'-) n.
Abbr. Tues. or Tue. or Tu or T The third day of the week.
[Middle English Tuesdai, from Old English Tīwesdæg, Tiu's day : Tīwes, genitive of Tīw, Tiu; see Tiu + dæg, day (translation of Latin diēs Mārtis, Mars' day).] Tues'days adv.