Surah As-Sajdah 32:8

ثُمَّ جَعَلَ نَسْلَهُۥ مِن سُلَـٰلَةٍ مِّن مَّآءٍ مَّهِينٍ

Then He made his posterity out of the extract of a liquid disdained.

Translation: Saheeh International

Tafsir

then He made his progeny his offspring from an extract a blood clot of a base delicate fluid namely the sperm-drop;

Excerpt from Tafsir al-Jalalayn, commentary on 32:8, via Quran.com. The reader has the full commentary and 9 more tafsirs.