Where does “我が家” come from?

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

我が家 (Japanese): my house; one's own house

Definitions

  1. my house; one's own house

Ancestry of “我が家”, step by step

我が家 traces back through 3 separate lines of ancestry.

via Japanese 家

StepLanguageWordMeaning
1Japanese家a 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 我

StepLanguageWordMeaning
1Japanese我first person singular pronoun: I, me, oneself;...
2Old Japanese我first-person personal pronoun: I, me;...
3Old Japaneseれnominalizing suffix used to form pronouns, often from demonstratives: one, thing

via Japanese が

StepLanguageWordMeaning
1JapaneseがIndicates the subject of a sentence; conjunction;...
2Finnish-nkaForms nouns, mainly bird names (in dialects) and some toponyms
Every word from Middle Chinese かもん →Every word from Japanese 家紋 →Every word from Japanese 家 →