The story
- Proto-Indo-European*úd
- Proto-Germanic*ūt
- Proto-Germanic*ūt-
- Old Englishūt-
- Middle Englishut-
- English todayout-
From Middle English ut-, from Old English ūt- (“out, without, outside”) (also as ūta-, ūtan- (“from or on the outside, without”), as in ūtanweard (“outward, external”)), from Proto-Germanic *ūt- (“out-”). Cognate with Dutch uit-, German aus-, Swedish ut-, Icelandic út-. More at out.
Etymology from Wiktionary, CC BY-SA 4.0.