خاموش • (xâmuš) (comparative خاموشتر, superlative خاموشترین)
From Persian خاموش (xâmuš).
خاموش • (xāmoš) — Hindi spelling: ख़ामोश (xāmoś)
From Middle Persian hʾmwš (xāmōš, “silent”). Compare also Old Armenian համր (hamr).