Etymology of the English word unicorn
the English word
unicornderived from the Old French word
unicornederived from the Latin word
unicornis (one-horned, having a single horn; unicorn, one-horned horse-like creature)
using the Late Latin prefix
uni-derived from the Latin word
unus (one; alone, a single, sole)
derived from the Proto-Indo-European root
*oi-no-derived from the Latin word
cornisDate
The earliest known usage of unicorn in English dates from the 13th century.
Usage
Word found in Modern English