combining form
Etymology: Middle English, from Old English stēop-; akin to Old Frisian stiap- step-, Old High German stiof-, Old Norse stjūp- step-, Old English ā stēpan, ā stȳpan to deprive, bereave, Old High German bi stiufen to deprive of children or parents
: related by virtue of a remarriage (as of a parent) and not by blood
step aunt
step cousin
step grandchild