Where does “casistica” come from?

casistica (Italian) comes from Italian -istica, from Italian -istico, from Italian -ista, from Latin -ista, from Ancient Greek -ιστής, from Ancient Greek -τής, from Proto-Hellenic -tās.

casistica (Italian): survey; case report, case study, case mix;...

Definitions

survey; case report, case study, case mix;...

Ancestry of “casistica”, step by step

Step	Language	Word	Meaning
1	Italian	-istica	feminine singular of -istico; -istics
2	Italian	-istico	-istic, -istical
3	Italian	-ista	-ist
4	Latin	-ista	-ist; one who practises or believes
5	Ancient Greek	-ιστής	Alternative form of -τής; -ist
6	Ancient Greek	-τής	Appended to verbs to form agent nouns
7	Proto-Hellenic	-tās	—

Every word from Proto-Hellenic -tās →Every word from Ancient Greek -τής →Every word from Latin -ista →