Condemned Criminal
Death Row Convict
noun
Remember how you learned that 死刑 means "death penalty?" Well a criminal who has been sentenced to it is a condemned criminal. They're condemned to death.
しけいしゅう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
死刑囚はこの階段を登って死刑台へと向かうんだ。
Condemned criminals climbed these stairs and faced the gallows.