Meanings
- A village in Llantwit Fardre community, Rhondda Cynon Taf borough county borough, Wales (OS grid ref ST0884).
Origin
- Welshefail + isaf“lower forge”
- EnglishEfail Isaf
From Welsh efail + isaf (“lower forge”).
More words from Welsh
Full word history & related roots →Cite this entry
Efail Isaf. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Efail%20Isaf
“Efail Isaf.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Efail%20Isaf. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “Efail Isaf,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Efail%20Isaf.
Source: Efail Isaf on Wiktionary, CC BY-SA 4.0.