حسين is a masculine given name documented in Arabic. English Wiktionary records an etymology for it. It is a form of حَسَن, for which English Wiktionary gives the meaning “good, fine, well”.
English Wiktionary account
Source-reported
Meaning: “good, fine, well”
Diminutive of حَسَن (ḥasan), from the root ح س ن (ḥ s n).
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