Etymograph

English

Siberian unicorn

From Siberian + unicorn, named after this animal's theorized single horn on its head.

A compound of Siberian + unicorn

Latin ūnicornis ‘a unicorn’

Anglo-Norman unicorne

Middle English unicorne

English unicorn

The story

From Siberian + unicorn, named after this animal's theorized single horn on its head.

Today it means

noun An extinct species of rhinoceros, †Elasmotherium sibiricum; it lived in Eastern Europe, Central Asia and East Asia during Late Miocene through to the Late Pleistocene.

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

Etymograph / Siberian unicorn