Where does “heterosynaptic” come from?

heterosynaptic (English) comes from English hetero, from English heterosexual, from English -sexual, from English sexual, from Latin sexuālis, from Latin sexus, from Proto-Italic seksus, from Proto-Indo-European séksus — to cut, cut off, sever.

heterosynaptic (English): Involving different synapses (or groups of synapses); relating to heterosynapsis

Definitions

  1. Involving different synapses (or groups of synapses); relating to heterosynapsis

Ancestry of “heterosynaptic”, step by step

heterosynaptic traces back through two separate lines of ancestry.

via English hetero

StepLanguageWordMeaning
1EnglishheteroHeterosexual: of, pertaining to, or being a...
2EnglishheterosexualSexually attracted to members of the opposite...
3English-sexualForms a noun or adjective describing a state or...
4EnglishsexualArising from the fact of being male or female;...
5Latinsexuālissexual
6Latinsexusdivision; sex; gender
7Proto-Italicseksus
8Proto-Indo-Europeanséksus
9Proto-Indo-Europeansek-to cut, cut off, sever

via English synaptic

StepLanguageWordMeaning
1EnglishsynapticOf or relating to a synapse—the junction between...
2New Latinsynapticus
3Ancient Greekσυναπτικόςcapable of adjusting; hypothetical conjunction
4Ancient GreekσυνάπτωI join together, connect
5Ancient Greekσῠν-together; with, together
6Ancient Greekσύνbeside, with
7Proto-Hellenic*ksúnbeside, with
Every word from Proto-Indo-European sek-Every word from Proto-Indo-European séksusEvery word from Proto-Italic seksus