Where does “southeastern” come from?

Southeastern derives from English south, attested in Middle English as esterne, Old English sūþ, Proto-Germanic sunþrą, and ultimately Proto-Indo-European h₂ews-, relating to the sun's position.

southeastern (English): Of or pertaining to the southeast

Definitions

  1. Of or pertaining to the southeast

Ancestry of “southeastern”, step by step

southeastern traces back through two separate lines of ancestry.

via English eastern

StepLanguageWordMeaning
1EnglisheasternOf, facing, situated in, or related to the east;...
2Middle Englishesterneeastern
3Old Englishēasterneeastern
4Proto-Germanicaustrōnijazeastern
5Proto-Indo-Europeanh₂ews-ro-of the dawn or morning, matutinal; eastern;...
6Proto-Indo-Europeanh₂ews-dawn; east; to draw water, scoop up

via English south

StepLanguageWordMeaning
1EnglishsouthOne of the four major compass points,...
2Middle Englishsouthsouth, southernness; A location to the south; the...
3Old Englishsūþsouth
4Proto-Germanicsunþrąsouth; south, southward
5Proto-Indo-Europeansóh₂wl̥sun

Words derived from “southeastern

Every word from Proto-Indo-European h₂ews-
southeastern — Etymology, Origin & Word History | Etymology Explorer