Shiva Purana
एकरुद्रन्तथैशाने त्रिमूर्तिं वह्निदिग्दले ॥ श्रीकण्ठं नैर्ऋते वायौ शिखण्डीशं समर्चयेत् ॥ ७ ॥
Ekarudra in the north-east and Trimurti in the fire-direction leaf. One should worship Lord Shikhandi in the southwest wind with Śrīkantha.
english translation
ekarudrantathaizAne trimUrtiM vahnidigdale ॥ zrIkaNThaM nairRte vAyau zikhaNDIzaM samarcayet ॥ 7 ॥
hk transliteration by Sanscript