noun / adjective / adverb
southeast
south-EEST/ˌsaʊθˈist/
The direction midway between south and east.
The compass arrow points southeast between south and east.

Etymology
South and east jointly locate a direction between two neighboring compass points. The compound already existed in Old English and names the halfway direction.
In context
… as well as intercardinal points: northeast, southeast, northwest, and southwest.
More examples
- The road turns southeast after the bridge.
- Our windows face the southeast.
- A southeast wind crossed the valley.
Forms
southeast