aequilibrium

See also: æquilibrium

Latin

Etymology

aequus (“level, even”) +‎ lībra (“a level”) +‎ -ium.

Pronunciation

• (Classical Latin) IPA^(key): [ae̯.kʷɪˈliː.bri.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [e.kʷiˈliː.bri.um]

Noun

aequilībrium n (genitive aequilībriī or aequilībrī); second declension

1. A level or horizontal position, equilibrium.
2. (figuratively) A perfect equality, reciprocity.

Declension

Second-declension noun (neuter).

	singular	plural
nominative	aequilībrium	aequilībria
genitive	aequilībriī aequilībrī1	aequilībriōrum
dative	aequilībriō	aequilībriīs
accusative	aequilībrium	aequilībria
ablative	aequilībriō	aequilībriīs
vocative	aequilībrium	aequilībria

¹Found in older Latin (until the Augustan Age).

Related terms

• aequilībrātus
• aequilībris
• aequilībritās

Descendants

• Catalan: equilibri
• → English: equilibrium
• French: équilibre
  • → Romanian: echilibru
• Galician: equilibrio
• → German: Äquilibrium
• Italian: equilibrio
• Portuguese: equilíbrio
• Spanish: equilibrio

References

• “aequilibrium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “aequilibrium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.