English

algoneuron

From algo- + neuron.

Ancient Greek ἄλγος ‘pain, sorrow, trouble, grief, distress, woe’

English algo-

Proto-Indo-European *(s)neh₁- ‘to spin (thread), to sew’

Proto-Indo-European *snḗh₁wr̥ ‘band, sinew’

Ancient Greek νεῦρον ‘nerve’

Today it means

noun A peripheral afferent which, when activated, evokes a sensation of pain

Language periods are conventional ranges, not dates for this word.

Etymograph / algoneuron