Skip to main content
Etymology

embryo

ˈɛmbriˌoʊ

noun

Origin

Ancient Greek

embruon — the young one

Overview

Meaning Now

  • An unborn or unhatched offspring in the process of development.
  • Something in a rudimentary or incipient stage.

Literal older meaning

that which grows or swells within

Language path

Ancient Greek → Latin → English

Earliest form

embryon

Earliest period

16th century

Journey

The term traces back to the Greek concept of growth ('bruein'). Throughout the Middle Ages, the distinction between 'embryo' and 'fetus' was less clinical than it is today, often reflecting theological debates about the moment of 'ensoulment' in developing organisms.

Evolution

  1. Ancient Greek

    embruon

    “fetus; anything that grows within”

    From en- (in) + bruein (to be full, to swell, to sprout).

  2. Latin

    embryon

    “embryo”

    Transliterated into Latin scientific literature.

  3. Middle French

    embryon

    “embryo”

    Introduced via scientific Latin translation.

  4. Modern English

    embryo

    “developing offspring”

    Dropping of the final -n to conform to English noun patterns.

Connections

Word parts

em-

prefix

in

bry-

root

to swell or sprout

Related across languages

  • French

    embryon

    embryo

  • German

    Embryo

    embryo

Explore next

Related to embryo

Get the WordOrigin app

External references use DefinedTerm semantics.