- raithneach
- raithneach, raineachfern, Irish raithneach, raith, Welsh rhedyn, cor. reden, Old Breton raten, Breton raden, Gaulish ratis: *pratis; Lithuanian papartis, Russ. paporoti$$u; English fern.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.