(humble) alternative form of いってきます (itte kimasu)

To perform; to do; to conduct oneself; to carry out.

visiting a shrine or temple

adnominal of 参らす (mawirasu)

Modern form of 参らす (mawirasu)

(intransitive, humble) to go / (intransitive, humble) to come / (intransitive) to visit (typically a place of social or spiritual importance, such as a noble's house or a shrine)

A celebration for girls who have reached the age of thirteen.

ushi no toki mairi, a traditional Japanese practice where a person visits (参(まい)り (mairi)) a shrine at approximately 2 AM in the morning (丑(うし)の時(とき) (ushi no toki)) in order to nail a straw effigy of a person (藁人形(わらにんぎょう) (waraningyō)) to a tree and wish for that person's death

it is easier said than done