Meaning in the sources
Reported meaningMeaning: “source” + “fast”
No etymology text in the cited sources.
Sources for this account (2)
- Wikidata Q134499423CC0-1.0 · retrieved 2026-10-15
- KANJIDIC2: 源, 之, 亟CC-BY-SA-4.0 · rev. 2026-288 · retrieved 2026-10-15

