Where does “Ambos Camarines” come from?
Ambos Camarines (Tagalog) comes from Spanish ambos, from Latin ambō, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent-, from Proto-Indo-European h₂en- — on, onto.
Ancestry of “Ambos Camarines”, step by step
Ambos Camarines traces back through two separate lines of ancestry.