Where does “こいぬ座” come from?

こいぬ座 (Japanese) comes from Japanese 犬, from Old Japanese いぬ.

こいぬ座 (Japanese): Canis Minor

Definitions

  1. Canis Minor

Ancestry of “こいぬ座”, step by step

こいぬ座 traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesedog; canine; one who is loyal; a spy
2Old Japaneseいぬ

via Japanese

StepLanguageWordMeaning
1Japanesenames of constellations; names of theaters
2Middle Chinese

via Japanese

StepLanguageWordMeaning
1Japanesesmallness; small size, small; Short for 小の月;...
2Old Japaneseささ
Every word from Old Japanese いぬEvery word from Japanese