Shiva Purana

siva.sh/siva-purana/saturda-samhita/3/30

एतत्ते कथितं तात शिवरूपं महोत्तमम् ।। अर्द्धनारीनरार्द्धं हि महामंगलदं सताम् ।। ३०।।

sanskrit

Thus O dear, the excellent form of Śiva, half-male and half-female that bestows auspiciousness upon the has been told.

english translation

etatte kathitaM tAta zivarUpaM mahottamam || arddhanArInarArddhaM hi mahAmaMgaladaM satAm || 30||

hk transliteration by Sanscript