English
intersubstitutable
From inter- + substitutable.
Formed from inter- + substitutable
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Today it means
adj Capable of being substituted for each other; interchangeable.
Language periods are conventional ranges, not dates for this word.
Etymograph / intersubstitutable