Etymograph

English

intraperitoneum

From intra- + peritoneum.

Formed from intra- + peritoneum

Proto-Indo-European *h₁én ‘in’

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

Latin *interus

Latin intrā ‘within’

English intra-

Proto-Indo-European *ten- ‘stretch’

…

Ancient Greek περίτονος ‘covered with something stretched over’

Ancient Greek περιτόναιος ‘stretched or strained over’

Ancient Greek περιτόναιον ‘membrane which contains the lower viscera’

Latin peritonaeum

English peritoneum

Today it means

adj Within the peritoneum

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

Etymograph / intraperitoneum