stepson

The story

1. Proto-Germanic · inherited from*steupasunuz“stepson”
2. Old English · inherited fromstēopsunu“stepson”
3. Middle English · inherited fromstepsone
4. English todaystepson

From Middle English stepsone, stepsune, from Old English stēopsunu (“stepson”), from Proto-Germanic *steupasunuz (“stepson”), equivalent to step- + son. Cognate with Saterland Frisian Stäifsuun (“stepson”), West Frisian styfsoan (“stepson”), Dutch stiefzoon (“stepson”), German Low German Steevsöhn (“stepson”), German Stiefsohn (“stepson”), Danish stedsøn (“stepson”), Swedish styvson (“stepson”), Icelandic stjúpsonur (“stepson”).