Strong’s Greek
G2653 — katanathematizo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
καταθεματίζω
katanathematizo — pronounced kat-an-ath-em-at-id'-zo
from 2596 (intensive) and 332; to imprecate:--curse. see GREEK for 2596 see GREEK for 332
1 occurrence in the KJV.
Matthew 26:74
Then began he to curse and to swear, saying, I know not the man. And immediately the cock crew.