English
synapsin
From synapse + -in.
A compound of synapse + -in
Proto-Indo-European *sem- ‘one, whole’
Proto-Hellenic *áptō
Ancient Greek ἅπτω ‘to join’
Ancient Greek συνάπτω ‘to clasp’
Ancient Greek σύναψις ‘conjunction’
English synapse
Today it means
noun Any of a family of proteins implicated in the regulation of neurotransmitter release at synapses
Language periods are conventional ranges, not dates for this word.
Etymograph / synapsin