sound the death knell for

sound the death knell for something

to cause something to end Everyone likes e-mail, but it hasn't sounded the death knell for snail mail quite yet.

Etymology: based on the literal meaning of sound the death knell (to ring a church bell slowly to announce a person's death)

Name	Pronounced	Usage
Elmer	['elmə]
LomÁN	-	Irish
Indumathi	-	Tamil
DilŞAd	-	Kurdish
Maimu	MIE-moo	Estonian
Iris	IE-ris (English), EE-ris (German, Dutch), EE-rees (Finnish, Spanish)	Greek Mythology, English, German, Dutch, Swedish, Norwegian, Danish, Finnish, French, Spanish