What does admonitiuncula mean in Latin?

admonitiuncula, a noun, means “hint, piece of advice”.

What is the genitive of admonitiuncula?

The genitive singular is admonitiunculae. admonitiuncula is feminine, first declension.

noun · femininefirst declension

admonitiuncula f (genitive admonitiunculae)

admonitiō (“reminder, warning”) + -cula (diminutive suffix) with regular sound change from ō to u.