Where does “buwan” come from?
buwan (Tagalog) comes from Proto-Philippine bulan, from Proto-Malayo-Polynesian bulan, from Austronesian *bulaN, from Proto-Austronesian bulaN — moon; month; menstruation.
buwan (Tagalog): moon; month
Ancestry of “buwan”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Philippine | bulan | moon |
| 2 | Proto-Malayo-Polynesian | bulan | moon |
| 3 | Austronesian | *bulaN | — |
| 4 | Proto-Austronesian | bulaN | moon; month; menstruation |