Why is Wednesday so weird in German?

The German names for most of the days of the week are straightforward, but Wednesday sticks out as really weird. Why is it called "Mittwoch", which means "midweek", and where do the names of the days of the week come from anyway?

On the history of English:
   • No, English didn't almost become Fren...  

Chapters:
00:00 What's the deal with Wednesday?
00:25 Babylonians and Israelites
01:39 Greek, Latin and Germanic
02:37 Modern German
03:26 Christian missionaries
04:07 The first day of the week

Music:
"Style Funk" and "Hot Swing"
by Kevin MacLeod https://incompetech.com/
Creative Commons Attribution licence

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