Etymograph

English

sinistrolateral

From sinistro- + lateral.

Formed from sinistro- + lateral

Proto-Italic *senisteros

Latin sinister ‘left’

English sinistro-

Latin latus ‘the side or flank’

Latin laterālis ‘belonging to the side’

English lateral

Today it means

adj On the left side of, toward the animal or human's left.

Sources

Sources: Wiktionary, “sinistrolateral”. 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 / sinistrolateral