"o", usually, but may depend on the context.
E.e. Rydw i'n dod o Gymru = I come from Wales.
The Welsh word for listen is "gwrando."
Yes, Welsh is a noun. It refers to the native language of Wales or to the people of Wales, who are known as the Welsh.
The Welsh word for 'decibel' is desibel.
"Gabrielle' is not a Welsh word.
It's not a Welsh word.
The word 'fern' is not a Welsh word and has no meaning. The Welsh word for 'a fern' is 'rhedynen'.
The Welsh word for mum is mam.The Welsh word for dad is dad.
The Welsh word for Excellent is ardderchog, it is also the welsh for fantastic.
the welsh word for trust is 'ymddiried'
The Welsh word for Toxic is: Gwenwynig
The Welsh word for 'landowner' is 'tirfeddiannwr'.
The Welsh word for 'a cave' is ogof.
The Welsh word for thunder is "taranu."
The Welsh word for 'rectangle' is petryal.
The Welsh word for Epiphany is Ystwyll.
The Welsh word for 'phoenix' is ffenics.
'You' is not a Welsh word.