-istis
See also: istis
Latin
Etymology 1
See the etymology of the corresponding lemma form.
Noun
-istīs
- dative/ablative plural of -ista
Etymology 2
From a probable Proto-Italic -istes, if not formed by analogy to the other second person plural active endings.
Suffix
-istis
- Used for the second person present perfect plural form of any regular verb.