Where does “hebdomadally” come from?

hebdomadally (English) comes from English hebdomadal, from Latin hebdomadalis, from Latin hebdomas, from Ancient Greek ἑβδομάς, from Ancient Greek ἑπτά, from Proto-Hellenic heptə́, from Proto-Indo-European septḿ̥ — seven.

hebdomadally (English): In periods of seven days; weekly

Definitions

  1. In periods of seven days; weekly

Ancestry of “hebdomadally”, step by step

hebdomadally traces back through two separate lines of ancestry.

via English hebdomadal

StepLanguageWordMeaning
1EnglishhebdomadalLasting seven days; Weekly, occurring once a week
2Latinhebdomadalisweekly; of or pertaining to a week
3Latinhebdomasthe number seven; seven days; a week; the seventh...
4Ancient GreekἑβδομάςA group of seven, "especially" a week of seven...
5Ancient Greekἑπτάseven
6Proto-Hellenicheptə́seven
7Proto-Indo-Europeanseptḿ̥seven

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European septḿ̥Every word from Proto-Hellenic heptə́Every word from Ancient Greek ἑπτά