Old Japanese origin
Source-reportedMeaning: “light”
⟨pi₁kari⟩ → */pʲikari/ → /ɸikari/ → /hikari/ From Old Japanese. Nominalization of the 連(れん)用(よう)形(けい) (ren'yōkei, “stem or continuative form”) of the verb 光(ひか)る (hikaru, “to shine, to glitter, to gleam”).
Sources for this account (3)
- Wiktionary: 光CC-BY-SA-4.0 · retrieved 2026-10-15
- JMnedict entry 5266041CC-BY-SA-4.0 · rev. 2026-10-15 · retrieved 2026-10-15
- KANJIDIC2: 光CC-BY-SA-4.0 · rev. 2026-288 · retrieved 2026-10-15

