Shiva Purana

siva.sh/siva-purana/saturda-samhita/20/4

चक्रे स्वं क्षुभितं शम्भुः कामबाणहतो यथा ।। स्वम्वीर्यम्पातयामास रामकार्यार्थमीश्वरः ।। ४।।

sanskrit

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