prostration
Masculine verbal noun (maṣdar) of سَجَدَ (to prostrate). Related: سَاجِدٌ (one who prostrates), مَسْجِدٌ (mosque - place of prostration), سَجْدَةٌ (a single prostration).
Sujūd is the position of greatest closeness to God in Islamic prayer. The Prophet ﷺ said: 'The closest a servant is to his Lord is when he is in prostration.'