Where does “bwletinau” come from?

bwletinau (Welsh) comes from Welsh bwletin, from English bulletin, from French bulletin, from Italian bollettino, from Italian -ino, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos — adjectival suffix.

Ancestry of “bwletinau”, step by step

StepLanguageWordMeaning
1Welshbwletinbulletin
2EnglishbulletinA short report, especially one released through...
3Frenchbulletinbulletin; newsletter; report card, school report
4Italianbollettinobulletin
5Italian-inoAlterative suffix used to form diminutives; Used...
6Latin-īnusof or pertaining to; -ine
7Proto-Italic-īnosof/belonging to
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no-Every word from Latin -īnusEvery word from Italian -ino
bwletinau — Etymology, Origin & Word History | Etymology Explorer