Word origin
ModL < Fr
diphtherie (so named (1855) by A. Trousseau (1801-67), Fr physician, replacing earlier
diphthérite, first used (1821) by P. Bretonneau (1778-1862), Fr physician) < Gr
diphthera, leather <
dephein, to tan hides < IE base *
deph-, to knead, stamp > Arm
topʼ
el, to strike