Where does “宅” come from?

宅 (Chinese) comes from Japanese お宅, from Japanese 御, from Middle Chinese 御.

Ancestry of “宅”, step by step

StepLanguageWordMeaning
1Japaneseお宅your home; you; geek
2Japanese御"indicates that the is honorific"; often used to...
3Middle Chinese御—
Every word from Middle Chinese 御 →Every word from Japanese 御 →Every word from Japanese お宅 →