Etymology of the English word diastole
the English word diastole
derived from the Greek word stellein, στέλλω (to send)
derived from the Proto-Indo-European root *stel-
derived from the Greek word dia, διά (through, between)
derived from the Late Latin word diastole (distole, mark indicating separation or words; comma)
derived from the Greek word diastole, διαστολή (a variation)
derived from the Greek word diastellein, διαστέλλω