Where does “buku” come from?
buku (Lower Sorbian) comes from Lower Sorbian buk, from Proto-Slavic bukъ, from Proto-Indo-European bʰeh₂ǵos — beech.
buku (Lower Sorbian): locative singular of buk
Ancestry of “buku”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Lower Sorbian | buk | beech; European beech, "Fagus sylvatica" |
| 2 | Proto-Slavic | bukъ | echo, noise of splashing water; beech |
| 3 | Proto-Indo-European | bʰeh₂ǵos | beech |