There is no word "borthyn" in Welsh. It is possible that it is a misspelling or a word from another language. If you have more context or details, I can try to help further.
No, the Welsh are not considered Germanic. They are Celts, descending from the ancient Celtic people who inhabited the British Isles. The Germanic peoples are a distinct linguistic and cultural group with origins in Northern Europe.
"Llew" is a Welsh word that means "lion." It is often used as a masculine given name in Welsh-speaking regions.
You can say "Ti yw fy frawd o fam arall" in Welsh, which translates to "You are my brother from another mother."
The Welsh word for "peace" is pronounced "heddwch." It is phonetically pronounced as "heth-oo-ch."
You can say "Dw i'n 26 oed" in Welsh to express "I am 26 years old."
In Welsh, "Cymru" is pronounced as "kum-ree." The "u" sounds like the "i" in the word "bit" and the "y" sounds like the "u" in "fun."
You can say "dim ond ychydig bach" in Welsh, which translates to "only a little bit".