Where does “八ヶ月” come from?

八ヶ月 (Japanese) comes from Japanese 八, from Middle Chinese 八.

八ヶ月 (Japanese): a period of 8 months

Definitions

  1. a period of 8 months

Ancestry of “八ヶ月”, step by step

八ヶ月 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseeight, 8; eight; Short for 八の字
2Middle Chinese

via Japanese ヶ月

StepLanguageWordMeaning
1Japaneseヶ月counter for months, used to express a period of time numbered in months
Every word from Middle Chinese Every word from Japanese