Where does “shark-gull” come from?

shark-gull (English) comes from English gull, from Middle English gulle, from Proto-Brythonic gwuɨlann, from Proto-Celtic wailannā, from Proto-Indo-European wai — oh!; woe!.

shark-gull (English): A confidence trickster; a person who preys on simpletons

Definitions

  1. A confidence trickster; a person who preys on simpletons

Ancestry of “shark-gull”, step by step

shark-gull traces back through two separate lines of ancestry.

via English gull

StepLanguageWordMeaning
1EnglishgullA seabird of the genus "Larus" or of the family...
2Middle Englishgullefriendly
3Proto-Brythonicgwuɨlannseagull, gull
4Proto-Celticwailannāseagull
5Proto-Indo-Europeanwaioh!; woe!

via English shark

StepLanguageWordMeaning
1EnglishsharkA scaleless, predatory fish of the superorder...
2GermanSchurkevillain, scoundrel
Every word from Proto-Indo-European wai