Where does “Kanuma” come from?

Kanuma (English) comes from Japanese 鹿沼, from Japanese 沼, from Japanese 間, from Middle Chinese 間.

Ancestry of “Kanuma”, step by step

StepLanguageWordMeaning
1Japanese鹿沼—
2Japanese沼a swamp, a bog, a marsh, a wetland
3Japanese間interval; "suffixes some expressions of time to...
4Middle Chinese間—
Every word from Middle Chinese 間 →Every word from Japanese 間 →Every word from Japanese 沼 →