English

intrapeptide

From intra- + peptide.

Proto-Indo-European *h₁én ‘in’

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

Latin *interus

Latin intrā ‘within’

Proto-Indo-European *pékʷ-ye-

…

Ancient Greek πέπτω ‘soften, ripen, boil, cook, bake, digest’

Ancient Greek πεπτόν ‘cooked, digested’

German Pepton

German Peptid

Today it means

adj Within a peptide.

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

Etymograph / intrapeptide