Sahl
Yes. Individuals named Sahl (for example Sahl ibn Saʿd) appear among early transmitters and are documented in classical hadith and biographical collections, confirming established historical use.
The core lexical meaning of Sahl is 'easy' or 'level', used both literally (a plain or level place) and figuratively (ease, facilitation).
Sahl is an Arabic-origin name; while it may be used by speakers across regions including Sindh or Amazigh communities, its linguistic root is Arabic (S‑H‑L).
Sahl is classical and historically attested, though it remains relatively uncommon in modern naming trends compared to more popular Arabic names.
Feminine forms are possible in modern use (e.g., Sahla) but classical attestations primarily record Sahl as a masculine name.