Where does “nongullible” come from?

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

nongullible (English): Not gullible

Definitions

  1. Not gullible

Ancestry of “nongullible”, step by step

nongullible traces back through two separate lines of ancestry.

via English gullible

StepLanguageWordMeaning
1EnglishgullibleEasily deceived or duped; naive, easily cheated...
2EnglishgullA seabird of the genus "Larus" or of the family...
3Middle Englishgullefriendly
4Proto-Brythonicgwuɨlannseagull, gull
5Proto-Celticwailannāseagull
6Proto-Indo-Europeanwaioh!; woe!

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum—
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European wai →Every word from Proto-Celtic wailannā →Every word from Proto-Brythonic gwuɨlann →