Where does “semana” come from?

semana (Galician) comes from Old Portuguese semana, from Latin septimāna, from Latin septimānus, from Latin septimus, from Latin Septem, from Proto-Italic septem, from Proto-Indo-European septḿ̥ — seven.

semana (Galician): week

Definitions

  1. week

Ancestry of “semana”, step by step

StepLanguageWordMeaning
1Old Portuguesesemana—
2Latinseptimānaweek
3Latinseptimānusof or pertaining to the seventh in a series
4Latinseptimusseventh
5LatinSeptemseven; 7
6Proto-Italicseptemseven
7Proto-Indo-Europeanseptḿ̥seven
Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Italic septem →Every word from Latin Septem →