Shiva Purana
स्वयन्देवश्च देवी च न तृप्तिमुपजग्मतुः ॥ ततः शक्रेण संधाय बिभ्यता तारकासुरात् ॥ ४२ ॥
Neither Svayandeva nor Devī were ever satisfied. Then she was afraid of the demon Taraka who was joined by Indra.
english translation
svayandevazca devI ca na tRptimupajagmatuH ॥ tataH zakreNa saMdhAya bibhyatA tArakAsurAt ॥ 42 ॥
hk transliteration by Sanscript