English
interedge
From inter- + edge.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *h₂eḱ- ‘sharp’
Proto-Germanic *agjō ‘edge’
Proto-West Germanic *aggju ‘edge’
Old English eċġ
Middle English egge ‘an edge of a blade or instrument’
English edge
Today it means
adj Between edges
Language periods are conventional ranges, not dates for this word.
Etymograph / interedge