Word a day — Seven words a week

https://daysweek.demura.tv/Word-a-day-Seven-words-a-week

Well, the obvious start of this most promising linguistic project (a word a day / seven words a week) is a description of the days of the week themselves. How to say "Wednesday", what preposition to use, what do various deities have in common with the names of the days of the week? Let's figure it out in the next (in the voice of the dead girl from the "Call") "seeeeeee...".