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Etymology

firmament

/ˈfɜːrməmənt/

noun

Origin

Latin

firmamentum — support, prop, strengthening

Overview

Meaning Now

  • The heavens or the sky, especially when regarded as a tangible or vaulted structure.
  • The vault or arch of the sky.

Literal older meaning

that which is made firm or solid

Language path

Latin → Old French → Middle English → English

Earliest form

firmament

Earliest period

14th century

Journey

The word entered English to represent the biblical concept of the heavens as a solid structure separating the waters above from the earth below, as described in the Book of Genesis.

Evolution

  1. Latin

    firmamentum

    “a strengthening, support”

    Derived from firmare (to make firm/strengthen).

  2. Late Latin

    firmamentum

    “the celestial sphere”

    Used in the Vulgate to translate the Hebrew raqia (expanse).

  3. Middle English

    firmament

    “the sky”

    Adopted through Old French.

Connections

Word parts

firm-

root

firm, stable

-a-

other

connective vowel

-ment

suffix

state or result of an action

Related across languages

  • French

    firmament

    firmament

  • Spanish

    firmamento

    firmament

  • Italian

    firmamento

    firmament

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External references use DefinedTerm semantics.