when the Iqamah was pronounced for prayer during the time of the Messenger of Allah ﷺ, the people would take their seats before the prophet ﷺ came to his seat.
أَنَّ الصَّلاَةَ كَانَتْ تُقَامُ لِرَسُولِ اللَّهِ ﷺ فَيَأْخُذُ النَّاسُ مَقَامَهُمْ قَبْلَ أَنْ يَأْخُذَ النَّبِيُّ ﷺ