Natyashastra
ततः सललितैर्हस्तैरभिवन्द्य पितामहम् । अभिवादानि कार्याणि त्रीणि हस्तेन भूतले ॥ ७३॥
Then, saluting the Grandfather (Brahma) with graceful hand gestures, three obeisances should be made by touching the ground with the hand.
english translation
tataH salalitairhastairabhivandya pitAmaham । abhivAdAni kAryANi trINi hastena bhUtale ॥ 73॥
hk transliteration by Sanscript