Meaning in the sources
Reported meaningMeaning: “courage” + “sturdy”
No etymology text in the cited sources.
Sources for this account (2)
- Wiktionary: 勇剛CC-BY-SA-4.0 · retrieved 2026-10-15
- KANJIDIC2: 勇, 剛CC-BY-SA-4.0 · rev. 2026-288 · retrieved 2026-10-15

