Where does “kamatuhan” come from?

kamatuhan (Bikol Central) comes from Bikol Central matua, from Proto-Malayo-Polynesian (ma-)tuqah, from Proto-Austronesian (ma-)tuqaS — old.

Ancestry of “kamatuhan”, step by step

kamatuhan traces back through two separate lines of ancestry.

via Bikol Central matua

StepLanguageWordMeaning
1Bikol Centralmatua—
2Proto-Malayo-Polynesian(ma-)tuqahold
3Proto-Austronesian(ma-)tuqaSold

via Bikol Central ka- -an

StepLanguageWordMeaning
1Bikol Centralka- -an—
Every word from Proto-Austronesian (ma-)tuqaS →Every word from Proto-Malayo-Polynesian (ma-)tuqah →Every word from Bikol Central matua →