Etymograph

English

rectosigmoid

From recto- + sigmoid.

A compound of recto- + sigmoid

Latin rectum

English recto-

Proto-Indo-European *weyd- ‘to see’

Proto-Indo-European *wéydos ‘seeing’

Proto-Hellenic *wéidos

Ancient Greek εἶδος

Ancient Greek σῑγμοειδής ‘of the shape of sigma’

English sigmoid

Today it means

adj Of the rectum and the sigmoid colon; especially, of the junction between them.

Sources

Sources: Wiktionary, “rectosigmoid”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / rectosigmoid