ཡོན་ཏན་གྱི་རྒྱུད་དཔལ་མཆོག་དང་པོ་
Transliteration: yon tan gyi rgyud dpal mchog dang po
<noun> "Tantra of Good Qualities, The Glorious Supreme Origin". The fourth of the རྩ་རྒྱུད་སྡེ་ལྔ་ five root explanatory tantras of the Mahāyoga, the ཡོན་ཏན་གྱི་རྒྱུད་ tantra dealing with enlightened quality aspect of buddhahood, called the དཔལ་མཆོག་དང་པོ་ "The Glorious Supreme Origin".
རྣལ་འབྱོར་རྒྱུད་གསུམ་
Transliteration: rnal 'byor rgyud gsum
<phrase> "The three Yogatantras". They are: 1) རྩ་བའི་རྒྱུད་དེ་ཉིད་འདུས་པ་ the root tantra, "Suchness Condensed"; 2) བཤད་རྒྱུད་རྡོ་རྗེ་རྩེ་མོ་ the explanatory tantra, "Vajra Tip"; 3) ཆ་མཐུན་གྱི་རྒྱུད་དཔལ་མཆོག་དང་པོ་ the related tantra, "Supremely Glorious Initial".
རྩ་རྒྱུད་སྡེ་ལྔ་
Transliteration: rtsa rgyud sde lnga
<phrase> "The five of the root tantra section (of the explanatory tantras)". The Mahāyoga tantras are divided into one root and seventeen explanatory tantras. The seventeen explanatory tantras are further divided into five root or major tantras, five tantras of sādhana, five tantras of actions, and two supplementary tantras. The five major tantras of the explanatory tantra section deal with…
རྟ་མཆོག་དཔལ་
Transliteration: rta mchog dpal
<name> "The glorious horse" which is an epithet of "Hayagrīva".
དང་པོ་པ་
Transliteration: dang po pa
Someone at the first level or beginning level. E.g., བྱང་ཆུབ་སེམས་དཔའ་ས་དང་པོ་བ་ "a bodhisatva on the first level".
Note that, although this is the most common spelling, the grammatically correct form is actually དང་པོ་བ་.