Where does “*efu” come from?
*efu (Proto-Polynesian) comes from Proto-Oceanic *qapu, from Proto-Malayo-Polynesian qabu, from Proto-Austronesian qabu — ash.
Ancestry of “*efu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Oceanic | *qapu | — |
| 2 | Proto-Malayo-Polynesian | qabu | — |
| 3 | Proto-Austronesian | qabu | ash |