ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
Etymology: Middle English stepdoughter, from Old English stēopdohtor (akin to Middle High German stieftohter, Old Norse stjūpdōttir ), from stēop- step- + dohtor daughter — more at step- , daughter
: a daughter of one's wife or husband by a former marriage