Rig Veda 1.154.1

Sanskrit text [Accents, Plain, Transliterated]:

विष्णो॒र्नु कं॑ वी॒र्या॑णि॒ प्र वो॑चं॒ यः पार्थि॑वानि विम॒मे रजां॑सि । यो अस्क॑भाय॒दुत्त॑रं स॒धस्थं॑ विचक्रमा॒णस्त्रे॒धोरु॑गा॒यः ॥
विष्णोर्नु कं वीर्याणि प्र वोचं यः पार्थिवानि विममे रजांसि । यो अस्कभायदुत्तरं सधस्थं विचक्रमाणस्त्रेधोरुगायः ॥
viṣṇor nu kaṃ vīryāṇi pra vocaṃ yaḥ pārthivāni vimame rajāṃsi | yo askabhāyad uttaraṃ sadhasthaṃ vicakramāṇas tredhorugāyaḥ ||

English translation:

“Earnetly I glorify the exploits of Viṣṇu, who made the three worlds; who sustained the lofty aggregate site (of the spheres); thrice traversing (the whole); who is praised by the exalted.”

Commentary by Sāyaṇa: Ṛgveda-bhāṣya

Pārthivāni vimame rajāṃsi = lit. he made the earthly regions;

Pṛthivī = three worlds: atra trayo lokā api pṛthivī śabdavācyā; Indra and Agni are said to abide in the lower, middle and upper pṛthivī or world-- yad indrāgnī avamasyām pṛthīvyām madhyamasyām paramasyam uta stha (RV. 1.108.9; Taittirīya Saṃhitā 1.2.12.1); seven lower lokās are also included in the word pṛthivī;or, the term is limited to the three regions addressed in prayer, bhūḥ bhuvar svar; who sustained the lofty: uttaram sadhastham askabhāyat: sadastha = the firmament, as the asylum of the three regions-- lokatrayāśrayabhūtam antarikṣam; or, the seven regions above the earth; or, the highest region of all, whence there is no return; or the above of the righteous, the satya-loka;

Askabhāyat = nirmitavān, created; thrice traversing: vicakramāṇas tredhā (idam viṣṇurvi cakrame: RV. 1.22.17); traversing in various ways in own created worlds

Details:

Ṛṣi (sage/seer): dīrghatamā aucathyaḥ [dīrghatamas aucathya];
Devatā (deity/subject-matter): viṣṇuḥ ;
Chandas (meter): virāṭtrisṭup ;
Svara (tone/note): Swar;

Padapatha [Accents, Plain, Transliterated]:

विष्णोः॑ । नु । क॒म् । वी॒र्या॑णि । प्र । वो॒च॒म् । यः । पार्थि॑वानि । वि॒ऽम॒मे । रजां॑सि । यः । अस्क॑भायत् । उत्ऽत॑रम् । स॒धऽस्थ॑म् । वि॒ऽच॒क्र॒मा॒णः । त्रे॒धा । ऊ॒रु॒ऽगा॒यः ॥
विष्णोः । नु । कम् । वीर्याणि । प्र । वोचम् । यः । पार्थिवानि । विममे । रजांसि । यः । अस्कभायत् । उत्तरम् । सधस्थम् । विचक्रमाणः । त्रेधा । ऊरुगायः ॥
viṣṇoḥ | nu | kam | vīryāṇi | pra | vocam | yaḥ | pārthivāni | vi-mame | rajāṃsi | yaḥ | askabhāyat | ut-taram | sadha-stham | vi-cakramāṇaḥ | tredhā | ūru-gāyaḥ

Multi-layer Annotation of the Ṛgveda

[Rigveda 1.154.1 English analysis of grammar]