Where does “Semeno” come from?

Semeno (Basque) comes from Basque seme, from Proto-Basque senbe, from Persian شنبه, from Hebrew שַׁבָּת, from Akkadian šapattum — 15.

Ancestry of “Semeno”, step by step

StepLanguageWordMeaning
1Basquesemeson
2Proto-Basquesenbeboy
3PersianشنبهSaturday
4HebrewשַׁבָּתSabbath, Shabbat; weekly day of rest; sabbath
5Akkadianšapattum15
Every word from Akkadian šapattum →Every word from Hebrew שַׁבָּת →Every word from Persian شنبه →