Etymograph

English

intrafibrillary

From intra- + fibrillary.

Formed from intra- + fibrillary

Proto-Indo-European *h₁én ‘in’

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

Latin *interus

Latin intrā ‘within’

English intra-

Today it means

adj Within fibrils.

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

Etymograph / intrafibrillary