毎月

1. Origins, structure, and basic meaning

• Structure: 毎月, read まいつき, denotes a frequency in which the same action recurs every month.
• Basic usage: It marks the monthly cycle of paying rent on a set date and holding a reading group once each month.

2. Common pitfalls and similar expressions

• A recurring monthly frequency
  • It means the same action recurs as each month comes, not that it occurs in one particular month.