What does sitītrīx mean in Latin?

sitītrīx, a noun, means “female thirster, woman who thirsts”.

What is the genitive of sitītrīx?

The genitive singular is sitītrīcis. sitītrīx is feminine, third declension.

In classical Latin, [sɪˈtiː.triːks]; in ecclesiastical (church) Latin, [siˈtiː.triks].

noun · femininethird declension

sitītrīx f (genitive sitītrīcis, masculine sitītor)

Classical[sɪˈtiː.triːks]Ecclesiastical[siˈtiː.triks]

post Classicalfemale thirster, woman who thirsts
Instans superba regibus, Sancti sititrix sanguinis, Quae, Christe, de regno tuo Suam facit tyrannidem.1889, Alexander Reifferscheid, Quellen zur Geschichte des geistigen Lebens in Deutschland während des siebzehnten Jahrhunderts nach Handschriften, Henninger, page 254:

From sitiō, sitītum (“to thirst”, verb) + -trīx f (“-ess”, agentive suffix).