Where does “Donneschdeg” come from?
Donneschdeg (Luxembourgish) comes from Middle High German donerstac, from Old High German donarestag, from Proto-Germanic *Þunras dag, from Latin dies iovis, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws — to be bright; sky, heaven.
Donneschdeg (Luxembourgish): Thursday
Ancestry of “Donneschdeg”, step by step