Old Japanese origin
Source-reportedMeaning: “moon”
⟨tuki₂⟩ → */tukɨ/ → */t͡sukɨ/ → /t͡suki/ From Old Japanese 月 (tuki₂), ultimately from Proto-Japonic *tukui. For the vowel alternation, see WT:AJPX#Standalone forms and combining forms.
Sources for this account (3)
- Wiktionary: 月CC-BY-SA-4.0 · retrieved 2026-10-15
- JMnedict entry 5245641CC-BY-SA-4.0 · rev. 2026-10-15 · retrieved 2026-10-15
- KANJIDIC2: 月CC-BY-SA-4.0 · rev. 2026-288 · retrieved 2026-10-15

