Where does “aigulle” come from?

aigulle (Champenois) comes from Old French aguille, from Latin acūcula, from Latin acus, from Proto-Italic akus, from Proto-Indo-European h₂eḱus, from Proto-Indo-European h₂eḱ- — sharp.

aigulle (Champenois): needle

Definitions

needle

Ancestry of “aigulle”, step by step

Step	Language	Word	Meaning
1	Old French	aguille	—
2	Latin	acūcula	small needle
3	Latin	acus	a needle, a pin; bodkin; bran, awn, chaff
4	Proto-Italic	akus	—
5	Proto-Indo-European	h₂eḱus	—
6	Proto-Indo-European	h₂eḱ-	sharp

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂eḱus →Every word from Proto-Italic akus →