まいとし毎年maitoshiまいねん毎年mainen
1.

A term used to describe an event or occurrence that happens in each consecutive year without exception.

2.

A phrase signifying the regularity of an event occurring once every calendar year.

3.

An expression used to denote the annual cycle, emphasizing that something takes place every single year.

Example:

彼は毎年軽井沢へ行く。