English
intermigration
From inter- + migration.
Formed from inter- + migration
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *h₂meygʷ- ‘to change, exchange’
…
Proto-Italic *migros
Latin migrō ‘to migrate, depart to another place, change…’
Latin migrātiō ‘move’
Middle French migration
English migration
Today it means
noun reciprocal migration; interchange of dwelling place by migration
Language periods are conventional ranges, not dates for this word.
Etymograph / intermigration