The story
- Proto-Indo-European*strengʰ-
- Proto-Germanic*strangaz
- Proto-West Germanic*strang
- Old Englishstrang
- Middle Englishstrong
- Englishstrong
- Proto-Indo-European*mon-
- Proto-Germanic*mann-
- Proto-West Germanic*mann
- Old Englishmann
- Middle Englishman
- English todaystrongman
Etymology from Wiktionary, CC BY-SA 4.0.