Where does “instructissimus” come from?

instructissimus (Latin) comes from Latin -issimus, from Proto-Italic *-isəmos — forms superlative forms of adjectives.

Ancestry of “instructissimus”, step by step

StepLanguageWordMeaning
1Latin-issimusadded to an adjective noun to form its...
2Proto-Italic*-isəmosforms superlative forms of adjectives
Every word from Proto-Italic *-isəmos →Every word from Latin -issimus →