Where does “exstillatus” come from?

exstillatus (Latin) comes from Latin exstillo, from Latin stillo, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Definitions

Ancestry of “exstillatus”, step by step

StepLanguageWordMeaning
1LatinexstilloI trickle out
2LatinstilloI drip, drop, trickle; I distil
3Latin-ōsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
4Proto-Indo-European-ōDerives nouns from roots
Every word from Proto-Indo-European -ō →Every word from Latin -ō →Every word from Latin stillo →