etiamsi

Univerbation of etiam (“yet”) +‎ sī (“if”).

• (Classical Latin) IPA^(key): /e.tiˈam.siː/, [ɛt̪iˈä̃ːs̠iː]
• (modern Italianate Ecclesiastical) IPA^(key): /et.t͡siˈam.si/, [et̪ː͡s̪iˈämsi]

etiamsī

1. even if, although, albeit

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