Where does “grue jay” come from?

grue jay (English) comes from English green jay, from English Jay, from English jy, from English I, from Old French i, from Latin hīc, from Latin heic, from Latin hic — whale, sea monster; abyss.

grue jay (English): The hybrid offspring of the green jay and blue jay

Definitions

  1. The hybrid offspring of the green jay and blue jay

Ancestry of “grue jay”, step by step

grue jay traces back through two separate lines of ancestry.

via English green jay

StepLanguageWordMeaning
1Englishgreen jayA species of New World jay, found in Central America, Mexico, and South Texas
2EnglishJayfrom, a nickname for a chatty or showy person
3EnglishjyThe name of the Latin-script letter J
4EnglishIThe speaker or writer, referred to as the...
5Old Frenchithere
6Latinhīcthis; these in the plural
7Latinheic
8Latinhicthis; these in the plural
9Proto-Italichek(e)
10Proto-Indo-Europeangʰi-ḱethis, here
11Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
12Middle Englishkyt
13Russianкитwhale; genitive plural of ки́та
14Old Church Slavonicкитъwhale
15Ancient Greekκῆτοςwhale, sea monster; abyss

via English blue jay

StepLanguageWordMeaning
1Englishblue jayAny of species Cyanocitta cristata of North American jays with blue feathering from the top of its head to midway down its back
Every word from Ancient Greek κῆτος