س-ج-د
4 words from this root family
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.'
he prostrated / he bowed down
Form I verb. Noun: سُجُودٌ (prostration, q144). مَسْجِدٌ (mosque, place of prostration). Present: يَسْجُدُ. Imperative: اُسْجُدْ.
Prostration (sujūd) is the highest physical expression of submission to God. The entire universe prostrates to God in its own way.
mosque / place of prostration
Masculine noun (place noun, mafʿil pattern). From سَجَدَ (to prostrate). Plural: مَسَاجِدُ (masājid). Literally: 'place of prostration.'
The three holiest mosques in Islam: al-Masjid al-Ḥarām (Makkah), al-Masjid an-Nabawī (Madinah), and al-Masjid al-Aqṣā (Jerusalem).