English
interdistance
From inter- + distance.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *steh₂- ‘to stand (up)’
…
Latin distāns ‘standing apart’
Latin distantia ‘distance, remoteness’
Anglo-Norman distance
Middle English distance
English distance
Today it means
noun The distance between a pair of (normally microscopic) things
Language periods are conventional ranges, not dates for this word.
Etymograph / interdistance