Where does “būton̄in” come from?

būton̄in (Marshallese) comes from Marshallese būton̄, from Japanese 布団, from Middle Chinese 蒲團, from Middle Chinese 團 — sphere, round object.

Ancestry of “būton̄in”, step by step

StepLanguageWordMeaning
1Marshallesebūton̄a mattress
2Japanese布団A Japanese-style mattress or duvet, or a set of...
3Middle Chinese蒲團meditation cushion
4Middle Chinese團sphere, round object
Every word from Middle Chinese 團 →Every word from Middle Chinese 蒲團 →Every word from Japanese 布団 →