Rig Veda 10.15.2

Sanskrit text [Accents, Plain, Transliterated]:

इ॒दं पि॒तृभ्यो॒ नमो॑ अस्त्व॒द्य ये पूर्वा॑सो॒ य उप॑रास ई॒युः । ये पार्थि॑वे॒ रज॒स्या निष॑त्ता॒ ये वा॑ नू॒नं सु॑वृ॒जना॑सु वि॒क्षु ॥
इदं पितृभ्यो नमो अस्त्वद्य ये पूर्वासो य उपरास ईयुः । ये पार्थिवे रजस्या निषत्ता ये वा नूनं सुवृजनासु विक्षु ॥
idam pitṛbhyo namo astv adya ye pūrvāso ya uparāsa īyuḥ | ye pārthive rajasy ā niṣattā ye vā nūnaṃ suvṛjanāsu vikṣu ||

English translation:

“Let this our adoration be today addressed to those Pitṛs our predecessors, to those our successors,who have departed (to the world of the manes); to those who are seated in the terrestrial sphere, to those whoare present among opulent people.”

Commentary by Sāyaṇa: Ṛgveda-bhāṣya

Our successors: pūrvāsaḥ = elder brother, father, grandfather, and thelike, born before the birth of the worshipper; uparāsaḥ means younger brothers, sons, etc. ; or, those who havegone to svarga; uparāsaḥ, those who have ceased or rested, who have gone to the world of brahmā (Yajuṣ19.68); in the terrestrial sphere: pārthive rajasi = pṛthivīsambandhini rajo guṇakāryesmin karmaṇi, at thisritw which is connected with the earth is the effect of (or has for its effect) the quality of rajas (passion, or theactive principle);

Rajas = jyotiṣ, light-- terrestrial light or fire-- the phrase no doubt refers to the fire altar (Yajuṣ19.68)

Details:

Ṛṣi (sage/seer): śaṅkho yāmāyanaḥ [śaṅkha yāmāyana];
Devatā (deity/subject-matter): pitaraḥ ;
Chandas (meter): virāṭtrisṭup ;
Svara (tone/note): Swar;

Padapatha [Accents, Plain, Transliterated]:

इ॒दम् । पि॒तृऽभ्यः॑ । नमः॑ । अ॒स्तु॒ । अ॒द्य । ये । पूर्वा॑सः । ये । उप॑रासः । ई॒युः । ये । पार्थि॑वे । रज॑सि । आ । निऽस॑त्ताः । ये । वा॒ । नू॒नम् । सु॒ऽवृ॒जना॑सु । वि॒क्षु ॥
इदम् । पितृभ्यः । नमः । अस्तु । अद्य । ये । पूर्वासः । ये । उपरासः । ईयुः । ये । पार्थिवे । रजसि । आ । निसत्ताः । ये । वा । नूनम् । सुवृजनासु । विक्षु ॥
idam | pitṛ-bhyaḥ | namaḥ | astu | adya | ye | pūrvāsaḥ | ye | uparāsaḥ | īyuḥ | ye | pārthive | rajasi | ā | ni-sattāḥ | ye | vā | nūnam | su-vṛjanāsu | vikṣu

Multi-layer Annotation of the Ṛgveda

[Rigveda 10.15.2 English analysis of grammar]