English

intrabrachial

From intra- + brachial.

Proto-Indo-European *h₁én ‘in’

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

Latin *interus

Latin intrā ‘within’

Proto-Indo-European *mreǵʰ- ‘short’

…

Ancient Greek βρᾰχῠ́ς ‘short, brief’

Ancient Greek βρᾰχῑ́ων ‘upper arm’

Latin bracchium ‘arm’

Latin bracchialis

Today it means

adj Into, or within, the arm.

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

Etymograph / intrabrachial