Tuesday
venusflytrap
I would like to know the history of "Tuesday" and why does it have two cognates? I know that it is connected to the French word "mardi" but I need to know the semantic development of the word.

Help!

Thank you!

AdSumADS
It's from the Old English TIw (Tiu), a god of war. Like Thursday being Thor's day or Saturday being Saturn's day -- like that, it's Tue's day. I don't see any connection with "mardi" and am curious about the two cognates you mention. What are they? Did you want more of the pedigree of "Tuesday" through the Middle English, etc.?
Lord Glenelg
The connection between Tuesday and mardi is that they are both named after war gods.

The names of the days of the week are from astrology, where each of the hours in the day are thought to be governed by one of the planets. The hours cycle through the planets (I forget the order) but the first hour in each day was governed by a different planet. The planet of the first hour gave its name to the entire day.

Our names for the astrological planets mostly come from the Romans gods. However, in English, we get the Germanic equivalents of the Roman god's names for most of the day names.

Sun -> Sunday
Moon -> Monday
Mars (god of war) = Tiu -> Tuesday
Mercury (god of knowledge) = Woden -> Wednesday
Jupiter (god of thunder) = Thor -> Thursday
Venus (godess of love) = Frig -> Friday
Saturn -> Saturday

The actual equivalence between gods, planets, and days predates the Romans. They got it from the Greeks who in turn got it from the Babylonians.

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