Shiva Purana
चक्रे स्वं क्षुभितं शम्भुः कामबाणहतो यथा ॥ स्वम्वीर्यम्पातयामास रामकार्यार्थमीश्वरः ॥ ४॥
As if hit by the arrows of Cupid, Śiva let fall his semen dislodged from its seat, for Rāma’s work.
english translation
cakre svaM kSubhitaM zambhuH kAmabANahato yathA ॥ svamvIryampAtayAmAsa rAmakAryArthamIzvaraH ॥ 4॥
hk transliteration by Sanscript