en_tn/jer/14/12.md

wailing

loudly crying because of sorrow

I will put an end to them

This is a euphemism. Alternate translation: "I will cause them to die" (See: rc://en/ta/man/translate/figs-euphemism)

by sword

Here war is represented by the "sword" which was the common weapon used in battle. Alternate translation: "by war" or "by battle" (See: rc://en/ta/man/translate/figs-metonymy)