commilitium

From con- (“co-”) +‎ mīles (“soldier”) (stem mīlit-) +‎ -ium (“-ship”, noun-forming suffix).

• (Classical Latin) IPA^(key): /kom.miːˈli.ti.um/, [kɔmːiːˈlʲɪt̪iʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /kom.miˈlit.t͡si.um/, [komːiˈlit̪ː͡s̪ium]

commīlitium n (genitive commīlitiī or commīlitī); second declension

1. comradeship, companionship in war

Second-declension noun (neuter).

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

• “commilitium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “commilitium”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers