English
intersystematic
From inter- + systematic.
Formed from inter- + systematic
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Ancient Greek σῠνῐ́στημῐ ‘to place together, associate, unite’
Ancient Greek σύστημᾰ ‘a composite’
Koine Greek συστηματικός ‘of or like an organized whole, systematic,…’
Late Latin systēmaticus
English systematic
Today it means
adj Between systems.
Language periods are conventional ranges, not dates for this word.
Etymograph / intersystematic