Al-Ikhlas · 112:3

لَمْ يَلِدْ وَلَمْ يُولَدْۙ

He begot no one nor was He begotten

لَمْ
lam
Meaning
not (did not)
Part of speech
Negative particle (حرف)
Role
Negates the verb and shifts it to the past
Case
Particle (invariable)
Grammar
Placed before a present-tense verb, it both negates it and shifts it to the past: ‘does not’ → ‘did not’. It also puts the verb into the jussive (a bare sukūn ending).