Where does “seachdain” come from?
seachdain (Scottish Gaelic) comes from Old Irish sechtmain, from Latin septimāna, from Latin septimānus, from Latin septimus, from Latin Septem, from Proto-Italic septem, from Proto-Indo-European septḿ̥ — seven.
seachdain (Scottish Gaelic): week
Ancestry of “seachdain”, step by step