Ejaculation

The triliteral root ʿmīm nūn yā (م ن ي) occurs in the Quran 21 times.

Sperm ejaculation

(75:37) Was he not a sperm from emitted (Arab. يُمْنَىٰ, yum'nā) ejaculation (Arab. مَنِيٍّ, maniyyin)

(53:46) From sperm that is ejaculating (Arab. تُمْنَىٰ, tum'nā).

(56:58) Have you noted ejaculation that You produce?