Etymology in the sources
Source-reported古典日本語「とほる」
Sources for this account (3)
- Japanese Wiktionary: とおるCC-BY-SA-4.0 · retrieved 2026-10-14
- Wikidata Q6430282CC0-1.0 · retrieved 2026-10-15
- JMnedict entry 5004429CC-BY-SA-4.0 · rev. 2026-10-15 · retrieved 2026-10-15

