Meaning in the sources
Source-reportedMeaning: “true” + “lucidity”
Compound of 真(ま) (ma, “true”) + 澄(すみ) (sumi, “lucidity”), the 連用形 (ren'yōkei, “stem or continuative form”) of 澄む (sumu, “to become clear or transparent”).
Sources for this account (3)
- Wiktionary: 真澄CC-BY-SA-4.0 · retrieved 2026-10-15
- JMnedict entry 5414312CC-BY-SA-4.0 · rev. 2026-10-15 · retrieved 2026-10-15
- Turkish Wiktionary: 真澄CC-BY-SA-4.0 · retrieved 2026-10-14

