Shiva Purana
अथ गत्वा गुरोः पार्श्वं शिवपादांबुजं स्मरन् ॥ प्रणमेद्दण्डवद्भूमौ त्रिवारं संयतात्मवान् ॥ ७९ ॥
He shall approach the preceptor remembering the lotus-like feet of Śiva and fall at his feet thrice with fully restrained mind.
english translation
atha gatvA guroH pArzvaM zivapAdAMbujaM smaran ॥ praNameddaNDavadbhUmau trivAraM saMyatAtmavAn ॥ 79 ॥
hk transliteration by Sanscript