English
infraterritorial
From infra- + territorial.
Formed from infra- + territorial
Proto-Indo-European *bʰer- ‘to bear, carry’
…
Proto-Italic *ferō ‘to carry, bear’
Latin ferō ‘to bear’
Latin īnferō ‘to carry, bring, put, place, or throw in,…’
Latin īnfrā ‘below’
English infra-
Proto-Indo-European *ters- ‘dry’
Proto-Italic *terzā ‘earth’
Latin terra ‘land’
Latin territorium ‘territory’
Late Latin territorialis
English territorial
Today it means
adj intraterritorial, within the territory of a state.
Language periods are conventional ranges, not dates for this word.
Etymograph / infraterritorial