English

intrafrontal

From intra- + frontal.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁énteros ‘inside, within’

Latin *interus

Latin intrā ‘within’

Latin frons ‘the forehead, brow, front’

New Latin frontālis ‘relating to the forehead’

Today it means

adj Within a frontal region

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

Etymograph / intrafrontal