Where does “seachtain” come from?
seachtain (Irish) 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.
seachtain (Irish): week
Ancestry of “seachtain”, step by step
Words derived from “seachtain”