What does "self-slaughter" mean?

The slaughter or slaying of oneself, suicide, especially when portrayed as a sin or crime.

What is a synonym for "self-slaughter"?

Common synonyms include: suicide.

noun

noun ·Rare ·Advanced level

Noun

1
The slaughter or slaying of oneself, suicide, especially when portrayed as a sin or crime. countable, uncountable
"Against self-slaughter, There is a prohibition so divine, That cravens my weak hand. --Shak., Cymbeline"

"Against self-slaughter, There is a prohibition so divine, That cravens my weak hand. --Shak., Cymbeline"

1595, self- + slaughter.