Where does “arctoboreal” come from?

arctoboreal (English) comes from English boreal, from Latin boreālis, from Latin -ālis, from Proto-Italic -ālis — forms relational adjectives.

arctoboreal (English): Relating to the north Arctic

Definitions

  1. Relating to the north Arctic

Ancestry of “arctoboreal”, step by step

arctoboreal traces back through two separate lines of ancestry.

via English boreal

StepLanguageWordMeaning
1EnglishborealOf, relating to, or coming from the north
2Latinboreālisnorthern
3Latin-ālis
4Proto-Italic-ālisforms relational adjectives

via Latin arcto

StepLanguageWordMeaning
1LatinarctoAlternative form of artō; dative masculine...
Every word from Proto-Italic -ālisEvery word from Latin -ālisEvery word from Latin boreālis