Al-Qasas 28:11

وَقَالَتْ لِأُخْتِهِۦ قُصِّيهِ ۖ فَبَصُرَتْ بِهِۦ عَن جُنُبٍ وَهُمْ لَا يَشْعُرُونَ

Waqālat li-ukh'tihi quṣṣīhi fabaṣurat bihi ʿan junubin wahum lā yashʿurūna

And she said to his sister, "Follow him"; so she watched him from a distance while they perceived not.