"prostrations" - Translation from English to Arabic

Their mark is on their foreheads from the effect of their prostrations.
سِيمَاهُمْ فِي وُجُوهِهِم مِّنْ أَثَرِ السُّجُودِ

Not exact... I know one bows and performs prostrations.
ليس بالضبط لا أعرف.