Meaning

noun long nerve fiber that conducts away from the cell body of the neuron

originEtymology tree Proto-Indo-European *h₂eǵ-? Proto-Indo-European *-os Proto-Indo-European *h₂eḱs-der. Proto-Hellenic *aksōn Ancient Greek ἄξων (áxōn)der. English axon Derived from Ancient Greek ἄξων (áxōn, “axis”). Via Proto-Indo-European *h₂eḱs- cognate with inherited English axle and other borrowed axis, aisle, ala, atelier.

Etymology from Wiktionary, CC BY-SA 3.0