Where does “rustgill” come from?

rustgill (English) comes from English Gill, from Middle English gille, from Old French gille, from Medieval Latin gillo, from Gaulish gallā, from Proto-Germanic gallǭ, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

rustgill (English): Any of various fungi of the cosmopolitan genus Gymnopilus, family Hymenogastraceae

Definitions

  1. Any of various fungi of the cosmopolitan genus Gymnopilus, family Hymenogastraceae

Ancestry of “rustgill”, step by step

rustgill traces back through two separate lines of ancestry.

via English Gill

StepLanguageWordMeaning
1EnglishGillSomeone connected with Gillingham Football Club,...
2Middle Englishgille
3Old Frenchgillea wine measure; wine measure
4Medieval Latingilloearthenware jar; A cooler for liquids
5Gaulishgallāvessel
6Proto-Germanicgallǭgall, bile
7Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

via English rust

StepLanguageWordMeaning
1EnglishrustThe deteriorated state of iron or steel as a...
2Middle Englishrustrust oxidisation of iron or steel
3Old Englishrūstrust
4Proto-Germanicrustazrust
5Proto-Indo-Europeanrudʰso-red
6Proto-Indo-Europeanh₁rewdʰ-red
Every word from Proto-Indo-European ǵʰelh₃-