Rudra-prasava-varṇana
The Manifestation and Naming of Rudra / Nīlalohita
तस्याः पत्नी स्मृता स्वाहा स्कन्दस्तस्याः सुतः स्मृतः / नाम्ना षष्ठस्य या भीमा तनुराकाशमुच्यते
tasyāḥ patnī smṛtā svāhā skandastasyāḥ sutaḥ smṛtaḥ / nāmnā ṣaṣṭhasya yā bhīmā tanurākāśamucyate
His consort is remembered as Svāhā, and her son is known as Skanda. The formidable one named “Ṣaṣṭha” is Bhīmā; her body is called Ākāśa, the sky.