šāvūaʿ שָׁבוּעַ ‘week’ (Hebrew)

Etymology^?: passive participle of šāvaʿ שָׁבַע ‘to swear’ as a denominative from ševaʿ שֶׁ֫בַע ‘seven’
Roots: שׁבע שׁבע שׁבעה

šāvūaʿ n, m
1) seven, period of seven (days or years), heptad, week
 1a) period of seven days, a week
  1a1) Feast of Weeks
 1b) heptad, seven (of years)