Where does “pearlin” come from?

pearlin (English) comes from English Pearl, from Middle English perle, from Old French perle, from Medieval Latin perla, from Latin perna, from Proto-Italic persnā, from Proto-Indo-European tpḗrsneh₂, from Proto-Indo-European sperH- — to kick.

pearlin (English): A protein found in nacre

Definitions

  1. A protein found in nacre

Ancestry of “pearlin”, step by step

pearlin traces back through two separate lines of ancestry.

via English Pearl

StepLanguageWordMeaning
1EnglishPearlA placename
2Middle EnglishperleA pearl; Any round object, especially when shiny;...
3Old Frenchperle
4Medieval Latinperla
5LatinpernaA haunch or ham together with the leg, gammon; A...
6Proto-Italicpersnā
7Proto-Indo-Europeantpḗrsneh₂heel, upper thigh
8Proto-Indo-EuropeansperH-to kick

via English in

StepLanguageWordMeaning
1EnglishinUsed to indicate location, inclusion, or position...
2Middle EnglishinAny kind of accomodation; particularly; A home or...
3Old Englishinin; Alternative form of inn
4Proto-West Germanic*in
Every word from Proto-Indo-European sperH-Every word from Proto-Indo-European tpḗrsneh₂Every word from Proto-Italic persnā