The story
From Rogue (the name of a 1980 computer game which introduced the genre, from rogue) + -like.
Etymology from Wiktionary, CC BY-SA 4.0.
roguelike
Today it means: Any of a genre of computer role playing games loosely characterized by various characteristics such as randomised environment generation, permadeath, turn-based movement, text-based or primitive tile-based graphics, and hack-and-slash gameplay. Full definition →