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Theme for the remainder of the month: Alphabet Soup

siquidem

Definition: if indeed, (as a strong conditional) if it is really possible that; (concessive) even supposing; at any rate; seeing that, since

Sententia: Cicero's In Catilinam, 2.4.7

O fortunatam rem publicam, si quidem hanc sentinam urbis eiecerit! Uno me hercule Catilina exhausto levata mihi et recreata res publica videtur.

O fortunate state, if indeed it will have cast out this scum of the city! By Hercules with [only] the one Catiline having been removed, the state seems to me lightened and remade.

Cicero is arguing against Catiline in this section, discussing how much better the state would be without Catiline, since he is the root of all evil, and every crook, thief, profligate, and general horrible person acts because of him. Found online at Perseus.

Also seen as "si quidem," this word unsurprisingly is formed from "si," "if" + "quidem," "indeed." It is not found in Vergil, though.