Etymology

stepdaughter

step·daugh·ter
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Today it means: The daughter of one's spouse from a previous relationship. Full definition →

Middle English stepdoughter ← Old English stēopdohtor ← Proto-Germanic *steupaduhtēr
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The story

  1. Proto-Germanic · inherited from*steupaduhtēr“stepdaughter”
  2. Old English · inherited fromstēopdohtor“stepdaughter”
  3. Middle English · inherited fromstepdoughter
  4. English todaystepdaughter

From Middle English stepdoughter, stepdoghter, steopdohter, from Old English stēopdohtor (“stepdaughter”), from Proto-Germanic *steupaduhtēr (“stepdaughter”), equivalent to step- + daughter. Cognate with Saterland Frisian Stäifdochter (“stepdaughter”), West Frisian styfdochter (“stepdaughter”), Dutch stiefdochter (“stepdaughter”), German Low German Steevdochter (“stepdaughter”), German Stieftochter (“stepdaughter”), Danish steddatter (“stepdaughter”), Swedish styvdotter (“stepdaughter”), Icelandic stjúpdóttir (“stepdaughter”).

Etymology from Wiktionary, CC BY-SA 4.0.