What does the Latin word lice mean?
Louse (cinifes) is a 3rd Declension Feminine (Yes, Romans were
blatantly sexist) noun. Thus:
cinifes -- the/a louse (subject)---------Nominative Singular
cinifis -- of the louse/ the louse's------Genitive Singular
cinifi -- to/for the louse-------------------Dative Singular
cinifem -- a louse (direct object)--------Accusative
Singular
cenife -- by/with/from the louse--------Ablative Singular
cinifes -- the lice (subject)-------------Nominative Plural
cinifum -- of the lice---------------------Genitive Plural
cinifibus -- to/for the lice---------------Dative Plural
cinifes -- the lice (direct object)-------Accusative Plural
cinifibus -- by/with/from the lice------Ablative Plural