Selym is an direct Quranic name for boys that means ârighteousâ, âtrueâ, âperfectâ, âunblemishedâ, âunharmedâ, âin good healthâ. It is mentioned directly in the Quran twice, and its root is S-L-M which is the root for many common Quranic words like Islam, Muslim, and Salaam (peace).