Where does “synæsthesia” come from?

synæsthesia (English) comes from English syn-, from Ancient Greek σῠν-, from Ancient Greek σύν, from Proto-Hellenic *ksún — beside, with.

synæsthesia (English): A neurological or psychological phenomenon whereby a particular sensory stimulus triggers a second kind of sensation

Definitions

  1. A neurological or psychological phenomenon whereby a particular sensory stimulus triggers a second kind of sensation

Ancestry of “synæsthesia”, step by step

StepLanguageWordMeaning
1Englishsyn-identical; with, together; concomitant
2Ancient Greekσῠν-together; with, together
3Ancient Greekσύνbeside, with
4Proto-Hellenic*ksúnbeside, with
Every word from Proto-Hellenic *ksúnEvery word from Ancient Greek σῠν-Every word from Ancient Greek σύν