Skip to main content
Etymology

muscular

/ˈmʌskjʊlər/

adjective

Origin

Latin

musculus — little mouse, muscle

Overview

Meaning Now

  • Having well-developed or strong muscles.
  • Relating to or consisting of muscle.

Literal older meaning

pertaining to or resembling a little mouse

Language path

Latin → Middle French → English

Earliest form

muscularis

Earliest period

17th century

Journey

The term reflects the ancient anatomical observation that the flexing of a muscle under the skin resembles the scurrying movement of a mouse, hence the Latin diminutive 'musculus'.

Evolution

  1. Proto-Indo-European

    *mūs

    “mouse”

  2. Latin

    mūsculus

    “little mouse; muscle”

    Diminutive of mūs; movement under the skin compared to a mouse moving

  3. New Latin

    muscularis

    “pertaining to muscles”

  4. 17th century English

    muscular

    “pertaining to muscles”

Connections

Word parts

muscul

root

muscle

ar

suffix

pertaining to

Related across languages

  • French

    musculaire

    muscular

  • Italian

    muscolare

    muscular

Explore next

Related to muscular

Get the WordOrigin app

External references use DefinedTerm semantics.