Old Japanese origin
Source-reportedMeaning: “heart”
⟨ko₂ko₂ro₂⟩ → */kəkərə/ → /kokoro/ From Old Japanese 心 (ko₂ko₂ro₂), ultimately from Proto-Japonic *kəkərə. First attested in the Kojiki of 712 CE. Compare Okinawan 心 (kukuru).
Sources for this account (3)
- Wiktionary: 心CC-BY-SA-4.0 · retrieved 2026-10-15
- JMnedict entry 5744935CC-BY-SA-4.0 · rev. 2026-10-15 · retrieved 2026-10-15
- KANJIDIC2: 心CC-BY-SA-4.0 · rev. 2026-288 · retrieved 2026-10-15

