siquidem

• si quidem

Univerbation of sī (“if”) +‎ quidem (“restricting particle”).

• (Classical) IPA^(key): /ˈsi.kʷi.dem/, [ˈs̠ɪkʷɪd̪ɛ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈsi.kwi.dem/, [ˈsiːkwid̪em]
• Note: as in other univerbations with quidem (tuquidem, quandoquidem), the -i- in this word is regularly short, but may be long when not treated as a univerbation.[1]

sīquidem (not comparable)

1. if only
2. accordingly
3. since

siquidem

1. (Medieval Latin) Synonym of autem

• “siquidem”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• siquidem in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Niermeyer, Jan Frederik (1976) “siquidem (conj.)”, in Mediae Latinitatis Lexicon Minus, Leiden, Boston: E. J. Brill, page 974/1