First opened Tuesday, August 18, 2009
三日月
みかづき
Pitch accent: We don't have the data for this section. No accent list gives this spelling and reading, or the two we check against disagree.
crescent moon
The crescent moon is the “third-day moon”: a moon named for the third day of a lunar month.
Taken apart
Select a part to see every word so far that is taken apart with it.
In a sentence
We don't have the data for this section. The pinned Tatoeba export has no sentence with a translation that uses this word and passes our filter.
What Wiktionary says
Quoted line by line from Wiktionary's Etymology section for this reading, taken from one dated dump so it can't change underneath us. Nothing below is paraphrased.
- “From Old Japanese.”
- “Compound of 三日 (mika, “third day of a lunar month”) + 月 (tsuki, “moon”). The tsuki changes to zuki as an instance of rendaku (連濁).”
Source: Wiktionary: 三日月 (dump of 2026-09-02), available under CC BY-SA 4.0. Reading, meaning and part of speech from JMdict, and kanji readings from KANJIDIC2 (EDRDG).
What the labels mean
- 和語 Native Japanese
- Words that were already Japanese before Chinese vocabulary arrived — usually written with kun'yomi and often short.
- Compound
- Two or more words or stems joined into one.
- Rendaku
- The first sound of the second part voices when two native words join (kami → -gami).