obsequium

• opsequium

From obsequor (“submit to, yield to”) +‎ -ium.

• (Classical Latin) IPA^(key): [ɔpˈsɛ.kʷi.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [obˈsɛː.kʷi.um]

obsequium n (genitive obsequiī or obsequī); second declension

1. complaisance, yielding, compliance, obedience; allegiance; deference, obsequiousness, flattery
   • 166 BCE, Publius Terentius Afer, Andria 1.67–68:

     Sapienter vītam īnstituit: namque hōc tempore / obsequium amīcōs, vēritās odium parit.

     [How] wisely he arranged his life: for in this age flattery [gains] friends, truth provokes hatred.

Second-declension noun (neuter).

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

• (allegiance): dēvōtiō
• (deference): observantia

• obsequiālis
• obsequiōsus

• “obsequium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “obsequium”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• "obsequium", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• obsequium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.