Where does “arka” come from?

arka (Tagalog) comes from Spanish arca, from Old Spanish arca, from Latin arca, from Latin arceo, from Proto-Italic arkeō, from Proto-Indo-European h₂erk- — to protect, guard, hold, lock.

arka (Tagalog): ark

Definitions

Ancestry of “arka”, step by step

Step	Language	Word	Meaning
1	Spanish	arca	ark, chest
2	Old Spanish	arca	—
3	Latin	arca	chest, box, coffer, safe; coffin; ark
4	Latin	arceo	I shut up, enclose; box in; I keep off, ward off;...
5	Proto-Italic	arkeō	to contain
6	Proto-Indo-European	h₂erk-	to protect, guard, hold, lock

Every word from Proto-Indo-European h₂erk- →Every word from Proto-Italic arkeō →Every word from Latin arceo →