step-


a prefix denoting connection between members of a family by the remarriage of a parent and not by blood: stepbrother.

Origin of step-

Middle English; Old English stēop-; cognate with German stief-, Old Norse stjūp- step-; akin to Old English āstēpan to bereave, bestēpan to deprive (of children)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for step-

step-

combining form

indicating relationship through the previous marriage of a spouse or parent rather than by bloodstepson; stepfather

Word Origin for step-

Old English stēop-; compare āstӯpan to bereave
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012