Tiw's day — honoring a war-god whose name descends from the same PIE sky-god that became Zeus and Jupiter.
The third day of the week in many cultures, following Monday and preceding Wednesday.
From Old English 'tīwesdæg,' meaning 'day of Tīw,' the Germanic god of war, law, and the sky. Tīw (Old Norse Týr) was identified with the Roman god Mars through interpretatio germanica, making Tuesday the Germanic translation of Latin 'Martis diēs' (day of Mars). Týr was famed in Norse myth for sacrificing his right hand to bind the monstrous wolf Fenrir — a story embodying the law-god's