Where does “aiguillage” come from?

aiguillage (French) comes from French aiguiller, from French aiguille, 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.

aiguillage (French): points; switch; turnout

Definitions

  1. points; switch; turnout

Ancestry of “aiguillage”, step by step

StepLanguageWordMeaning
1Frenchaiguillerto direct; to change / switch points
2Frenchaiguilleneedle
3Old Frenchaguille—
4Latinacūculasmall needle
5Latinacusa needle, a pin; bodkin; bran, awn, chaff
6Proto-Italicakus—
7Proto-Indo-Europeanh₂eḱus—
8Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂eḱus →Every word from Proto-Italic akus →