GPC has only [cf. Gwyddeleg <dreŠn>]. "Dryw" meaning "druid,
seer" is under a separate lemma with the etymology [Brythoneg
<*druwids>, cf. Hen Wyddeleg <druŪ>]
> LEIA deems this to be a popular etymology, but one which was
> widely accepted. "Drešn", whose second syllable is the mark
> of the diminutive, is clearly a cognate of Welsh "dryw", a
> word which can also mean "seer". The identification of the
> little bird with magic is thus not limited to Ireland.
> What does the GPC dictionary have for an etymology of the
> Welsh name for the bird?