Where does “arnowydhheansow” come from?

arnowydhheansow (Cornish) comes from Cornish arnowydhheans, from Cornish arnowydhhe, from Cornish arnowydh, from Cornish nowydh, from Proto-Brythonic newɨð, from Proto-Celtic nouyos, from Proto-Indo-European néwyos, from Proto-Indo-European néwos — new; to nod, assent to.

Ancestry of “arnowydhheansow”, step by step

StepLanguageWordMeaning
1Cornisharnowydhheansmodernisation
2Cornisharnowydhheto modernise
3Cornisharnowydhmodern
4Cornishnowydhnew
5Proto-Brythonicnewɨð
6Proto-Celticnouyosnew
7Proto-Indo-EuropeannéwyosAlternative form of *néwos; new
8Proto-Indo-Europeannéwosnew
9Proto-Indo-Europeannew-new; to nod, assent to
Every word from Proto-Indo-European new-