毎週
まいしゅう · maishuu · JLPT N5 · noun
week
📅 毎週 = 毎 (every) + 週 (week): mai + shuu
毎 (mai) means every and attaches to time words: 毎日 every day, 毎月 every month, 毎年 every year. 週 (shuu) is week, as in 今週 this week and 来週 next week. Put them together and you get every week.