Where does “Merwin” come from?

Merwin (English) comes from Welsh Merfyn, from Welsh mer, from Proto-Celtic smérus, from Proto-Indo-European smérus, from Proto-Indo-European smer- — to fall into thought, remember, care for; to fall...

Ancestry of “Merwin”, step by step

StepLanguageWordMeaning
1WelshMerfynMervyn
2WelshmerNasal mutation of ber
3Proto-Celticsmérusmarrow
4Proto-Indo-Europeansmérusgrease
5Proto-Indo-Europeansmer-to fall into thought, remember, care for; to fall...
Every word from Proto-Indo-European smer- →Every word from Proto-Indo-European smérus →Every word from Proto-Celtic smérus →