southeastern · adjective1
- Old English · inherited fromsūþēasterne
- Middle English · inherited from*southesterne
- English todaysoutheastern
From Middle English *southesterne, from Old English sūþēasterne, equivalent to south + eastern.
Southeastern · adjective2
By surface analysis, equally (1) Southeast + -ern or (2) a proprialization from southeastern.
Etymology from Wiktionary, CC BY-SA 4.0.