姻戚

1. Origins, structure, and basic meaning

• Structure: 姻戚(いんせき) means a relationship or relative by marriage.
• Basic usage: It is used for families becoming related through marriage or in-laws attending a family gathering.

2. Common pitfalls and similar expressions

• を機に marks the occasion
  • 結婚を機に means taking the marriage as the occasion, identifying what brought about the relationship.
• Relatives who live far away
  • 遠方の姻戚 means relatives by marriage who are far away. 遠方(えんぽう) refers to geographical distance.