Where does “elektrisista” come from?

elektrisista (Bikol Central) comes from Spanish electricista, from Spanish -ista, from Latin -ista, from Ancient Greek -ιστής, from Ancient Greek -τής, from Proto-Hellenic -tās.

Ancestry of “elektrisista”, step by step

Step	Language	Word	Meaning
1	Spanish	electricista	electrician
2	Spanish	-ista	-ista; one who follows a principle. Example:...
3	Latin	-ista	-ist; one who practises or believes
4	Ancient Greek	-ιστής	Alternative form of -τής; -ist
5	Ancient Greek	-τής	Appended to verbs to form agent nouns
6	Proto-Hellenic	-tās	—

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