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From firmō (strengthen), from firmus (firm). Literally "that which strengthens or supports". The meaning of "a strengthening, support, prop", especially in the figurative sense (of an argument etc., τὸ συνέχον (tò sunékhon)) is classical, and frequently occurs in Cicero.



firmāmentum n (genitive firmāmentī); second declension

  1. A strengthening, support, prop, stay.
  2. The firmament; the sky fixed above the earth.
    • Vulgate: Genesis 1,7-8
      Et fecit Deus firmamentum divisitque aquas, quae erant sub firmamento, ab his, quae erant super firmamentum. [8] Vocavitque Deus firmamentum Caelum.
      And God made the firmament and divided the waters, that were under the firmament, from those, that were above the firmament. [8] And God called the firmament the sky.
  3. The main point or crux (of an argument).


Second declension.

Case Singular Plural
nominative firmāmentum firmāmenta
genitive firmāmentī firmāmentōrum
dative firmāmentō firmāmentīs
accusative firmāmentum firmāmenta
ablative firmāmentō firmāmentīs
vocative firmāmentum firmāmenta

Related termsEdit