Rig Veda 8.9.21

Sanskrit text [Accents, Plain, Transliterated]:

यन्नू॒नं धी॒भिर॑श्विना पि॒तुर्योना॑ नि॒षीद॑थः । यद्वा॑ सु॒म्नेभि॑रुक्थ्या ॥
यन्नूनं धीभिरश्विना पितुर्योना निषीदथः । यद्वा सुम्नेभिरुक्थ्या ॥
yan nūnaṃ dhībhir aśvinā pitur yonā niṣīdathaḥ | yad vā sumnebhir ukthyā ||

English translation:

“Although, Aśvins, you be seated in the region of the paternal (heaven engaged in) holy rites, or,glorified by us, (abide there) with plural asures, (yet come here).”

Commentary by Sāyaṇa: Ṛgveda-bhāṣya

Paternal: pituḥ = dyulokasya, or yajamānasya; "ifyou abide with your praises in the sacrificial hall of the worshipper, or with the plural asure- conferring (oblations),then come here"

Details:

Ṛṣi (sage/seer): śaśakarṇaḥ kāṇvaḥ [śaśakarṇa kāṇva];
Devatā (deity/subject-matter): aśvinau ;
Chandas (meter): nicṛdgāyatrī ;
Svara (tone/note): Swar;

Padapatha [Accents, Plain, Transliterated]:

यत् । नू॒नम् । धी॒भिः । अ॒श्वि॒ना॒ । पि॒तुः । योना॑ । नि॒ऽसीद॑थः । यत् । वा॒ । सु॒म्नेभिः॑ । उ॒क्थ्या॒ ॥
यत् । नूनम् । धीभिः । अश्विना । पितुः । योना । निसीदथः । यत् । वा । सुम्नेभिः । उक्थ्या ॥
yat | nūnam | dhībhiḥ | aśvinā | pituḥ | yonā | ni-sīdathaḥ | yat | vā | sumnebhiḥ | ukthyā

Multi-layer Annotation of the Ṛgveda

[Rigveda 8.9.21 English analysis of grammar]