Where does “trilohiya” come from?

trilohiya (Tagalog) comes from Spanish trilogía, from Ancient Greek τριλογία, from Ancient Greek τρῐ-, from Ancient Greek τρεῖς, from Proto-Hellenic tréyes, from Proto-Indo-European *tréyes.

trilohiya (Tagalog): trilogy

Definitions

trilogy

Ancestry of “trilohiya”, step by step

Step	Language	Word	Meaning
1	Spanish	trilogía	trilogy
2	Ancient Greek	τριλογία	trilogy, group of three tragedies performed...
3	Ancient Greek	τρῐ-	three; {{l\|en\|tri-}}
4	Ancient Greek	τρεῖς	three
5	Proto-Hellenic	tréyes	three
6	Proto-Indo-European	*tréyes	—

Every word from Proto-Indo-European *tréyes →Every word from Ancient Greek τρῐ- →Every word from Proto-Hellenic tréyes →