English
interstep
From inter- + step.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
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
Today it means
adj Between steps
Language periods are conventional ranges, not dates for this word.
Etymograph / interstep