Where does “맞벌이” come from?

맞벌이 (Korean) comes from Korean 벌이, from Korean —이, from Middle Korean 이 — person.

맞벌이 (Korean): working together for a living; joint breadwinning

Definitions

  1. working together for a living; joint breadwinning

Ancestry of “맞벌이”, step by step

맞벌이 traces back through two separate lines of ancestry.

via Korean 벌이

StepLanguageWordMeaning
1Korean벌이earnings; moneymaking
2Korean—이For non-honorific nouns ending in consonants, the nominative case particle marking it as the subject of a verb or adjective; see also Usage Notes
3Middle Korean이person

via Korean 맞

StepLanguageWordMeaning
1Korean맞—
Every word from Middle Korean 이 →Every word from Korean —이 →Every word from Korean 벌이 →