English
step-in
From step + in.
Proto-Indo-European *stebʰ- ‘to support’
Proto-Germanic *stapjaną ‘to step’
Proto-West Germanic *stappjan ‘to step’
Old English steppan ‘to step’
Middle English steppen ‘to step’
English step
Proto-Indo-European *h₁én ‘in’
Proto-Germanic *in
Proto-West Germanic *in
Old English in
Middle English in ‘inside’
English in
Today it means
noun An item of clothing which one steps into to put on; specifically, women's panties.
Language periods are conventional ranges, not dates for this word.
Etymograph / step-in