Where does “sixgill” come from?

sixgill (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.

sixgill (English): Having six pairs of gill slits, as some sharks...

Definitions

  1. Having six pairs of gill slits, as some sharks...

Ancestry of “sixgill”, step by step

sixgill 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 Six

StepLanguageWordMeaning
1EnglishSixintelligence service
2Middle Englishsixsix
3Old Englishsixsix
4Proto-West Germanicsehssix
5Proto-Germanicsehssix
6Proto-Indo-Europeanswéḱssix
Every word from Proto-Indo-European ǵʰelh₃-