atriolum

From ātrium (“welcoming room, reception hall”) +‎ -olum (diminutive suffix).

• (Classical Latin) IPA^(key): /aːˈtri.o.lum/, [äːˈt̪riɔɫ̪ʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /aˈtri.o.lum/, [äˈt̪riːolum]

ātriolum n (genitive ātriolī); second declension

1. small hall
2. antechamber

Second-declension noun (neuter).

• “atriolum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “atriolum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• atriolum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.