Where does “mauran” come from?

mauran (Bikol Central) comes from Bikol Central uran, from Proto-Philippine *qudaŋ, from Proto-Malayo-Polynesian quzan, from Proto-Austronesian quzaN — rain.

Ancestry of “mauran”, step by step

StepLanguageWordMeaning
1Bikol Centraluranrain
2Proto-Philippine*qudaŋ—
3Proto-Malayo-Polynesianquzanrain
4Proto-AustronesianquzaNrain
Every word from Proto-Austronesian quzaN →Every word from Proto-Malayo-Polynesian quzan →Every word from Proto-Philippine *qudaŋ →