keskiviikko

Etymology
🇰🇲, a calque either of (compare modern 🇨🇬), or of a seemingly unattested  word (compare ). Note that Wednesday was the middle of the seven-day week when Sunday was still the first day of the week in Finland prior to 1973.

Noun

 * 1) Wednesday day of the week; the third day of the week in Finland and in the ISO 8601 standard