Where does “Abuĝo” come from?

Abuĝo (Esperanto) comes from English Abuja, from Latin acūcula, from Latin acus, from Proto-Italic akus, from Proto-Indo-European h₂eḱus, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “Abuĝo”, step by step

StepLanguageWordMeaning
1EnglishAbuja—
2Latinacūculasmall needle
3Latinacusa needle, a pin; bodkin; bran, awn, chaff
4Proto-Italicakus—
5Proto-Indo-Europeanh₂eḱus—
6Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂eḱus →Every word from Proto-Italic akus →