Where does “trangka” come from?

trangka (Bikol Central) comes from Spanish tranca, from Vulgar Latin taranca, from Proto-Celtic tarankyos, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

Ancestry of “trangka”, step by step

Step	Language	Word	Meaning
1	Spanish	tranca	thick bar of wood; bar used to keep closed a...
2	Vulgar Latin	taranca	large iron pin
3	Proto-Celtic	tarankyos	nail
4	Proto-Indo-European	terh₁-	to rub, turn; to drill, pierce

Every word from Proto-Indo-European terh₁- →Every word from Proto-Celtic tarankyos →Every word from Vulgar Latin taranca →