English

transborder

From trans- + border.

Proto-Indo-European *terh₂- ‘to cross over, pass through, overcome’

…

Proto-Indo-European *tr̥h₂ónts

Proto-Indo-European *tr̥h₂n̥ts

Proto-Italic *trāns ‘across, beyond’

Proto-Italic *trāns-

Frankish *bord

Old French bordeure

Middle English bordure ‘a heraldic border’

Today it means

adj Beyond the border, on the other side of the border.

Language periods are conventional ranges, not dates for this word.

Etymograph / transborder