How to say "week" in Arabic
CognateMeaningweek
Arabic · Modern Standard Arabic
أُسْبُوع
usbūʿאסבוע
أسبوع
Hebrew · Modern Hebrew
שבוע
shavuaشَاڤُوَا
How the two words are related
Cognate
Same Semitic root, same meaning — you already know this word.
Arabic root
س-ب-عHebrew root
ש-ב-עBoth mean 'a seven-ful': Hebrew שבוע from שבע, Arabic usbūʿ from sabʿ (seven) — the same root س-ب-ع ↔ ש-ב-ע with the regular ש↔س swap.
Learn it
On the street
How people actually say it in the spoken dialects, where it differs from the standard word.
Moroccan · Morocco — Casablanca, Rabat, Fes
سِيمَانَا
sīmānaסימאנאDarija's 'week' is sīmāna, borrowed from Spanish semana (usbūʿ is understood too).
In a phrase
بَعْدَ أُسْبُوع
baʿda usbūʿבעד אסבועin a week
Plural
أَسَابِيع
asābīʿאסאביעbroken plural CaCāCīC — the pattern for longer stems, like مفتاح→مفاتيح (key→keys).