Where does “aco” come from?
aco (Neapolitan) comes from Latin acus, from Proto-Italic akus, from Proto-Indo-European h₂eḱus, from Proto-Indo-European h₂eḱ- — sharp.
aco (Neapolitan): needle
Ancestry of “aco”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | acus | a needle, a pin; bodkin; bran, awn, chaff |
| 2 | Proto-Italic | akus | — |
| 3 | Proto-Indo-European | h₂eḱus | — |
| 4 | Proto-Indo-European | h₂eḱ- | sharp |