Where does “tesoro” come from?

tesoro (Bikol Central) comes from Spanish tesoro, from Latin thēsaurus, from Ancient Greek θησαυρός, from Ancient Greek τίθημι, from Proto-Indo-European dʰeh₁- — to do, put, place.

Ancestry of “tesoro”, step by step

Step	Language	Word	Meaning
1	Spanish	tesoro	treasure, trove, treasure trove; thesaurus;...
2	Latin	thēsaurus	treasure, hoard
3	Ancient Greek	θησαυρός	treasure; vault, repository, chest
4	Ancient Greek	τίθημι	I put, place, set; I make, cause to be; I make
5	Proto-Indo-European	dʰeh₁-	to do, put, place

Every word from Proto-Indo-European dʰeh₁- →Every word from Ancient Greek τίθημι →Every word from Ancient Greek θησαυρός →