Where does “宮家” come from?

宮家 (Japanese) comes from Japanese 家, from Japanese 家紋, from Middle Chinese かもん.

宮家 (Japanese): a cadet branch of the Japanese imperial family, established upon the marriage of a 親王; it has a distinct title called 宮号

Definitions

  1. a cadet branch of the Japanese imperial family, established upon the marriage of a 親王; it has a distinct title called 宮号

Ancestry of “宮家”, step by step

宮家 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea house; one's own home; a home, household
2Japanese家紋a crest for a household or family
3Middle Chineseかもん

via Japanese

StepLanguageWordMeaning
1Japanesethe place where a god resides: a shrine; a temple...
2Middle Chinese
Every word from Middle Chinese かもんEvery word from Japanese 家紋Every word from Japanese