ततो द्वारापोहमन्त्रेण द्वाराण्यपोह्य प्रविश्यतामिति ब्रूयुः ॥ कZ_०४.५.०३ ॥
tato dvārāpohamantreṇa dvārāṇy apohya praviśyatām iti brūyuḥ
Then, using the ‘door-removal technique’, they remove the doors and say, ‘Enter.’
Often as a coded term for a practiced technique or operational procedure, not necessarily a religious chant.