まいしゅう毎週maishuu
1.

Referring to a repeated occurrence or event that takes place once during each week.

2.

Indicating a regular schedule or routine that happens on a weekly basis.

3.

Describing an activity or obligation that is consistently performed every week without variation.

4.

Signifying the idea of a continuous cycle that recurs at the end of each week.

Example:

彼らは毎週日曜日に教会へ行く。