The story
- Persian · derived fromراسخت
- Ottoman Turkish · derived fromراستق
- Turkish · borrowed fromrastık
- English todayrastik
From Turkish rastık, from Ottoman Turkish راستق (rastık), itself from Persian راسخت (râsoxt). Apparently ultimately from Persian for "burnt copper"; see Arabic رُوسَخْتَج (rūsaḵtaj) for more.
Etymology from Wiktionary, CC BY-SA 4.0.