Aeron (River) WelshRiver in Wales, possibly derived from the hypothetical Celtic goddess
Agrona.
Cymru (Country) WelshFrom the Celtic roots *
kom "with, together" and *
mrogis "territory, region". This is the Welsh name for
Wales.
Maldwyn (Political Subdivision) WelshFrom Welsh
Trefaldwyn, misinterpreting it as if meaning "town of Maldwyn". In fact it means "town of
Baldwin" (in Welsh both
m and
b mutate to
f). This is another name of the old county of Montgomeryshire.
Meirionnydd (Political Subdivision) WelshProbably from the Roman name
Marianus. This is the name of a Welsh county (Anglicized as
Merioneth).
Trefaldwyn (Settlement) WelshMeans
"town of Baldwin" in Welsh. This is another name for the town of Montgomery in Wales.
Trefor (Settlement) WelshMeans
"big village" from Middle Welsh
tref "village" and
maur "large". This is the name of a few towns in Wales.