Rig Veda 8.26.21

Sanskrit text [Accents, Plain, Transliterated]:

तव॑ वायवृतस्पते॒ त्वष्टु॑र्जामातरद्भुत । अवां॒स्या वृ॑णीमहे ॥
तव वायवृतस्पते त्वष्टुर्जामातरद्भुत । अवांस्या वृणीमहे ॥
tava vāyav ṛtaspate tvaṣṭur jāmātar adbhuta | avāṃsy ā vṛṇīmahe ||

English translation:

“We solicit your protection, Vāyu, lord of sacrifice wonderful son-in- law of Tvaṣṭā.”

Commentary by Sāyaṇa: Ṛgveda-bhāṣya

Tvaṣṭā: i.e.Brahmā; or, Vāyu, the wind, having taken water from Āditya, fertilizes it, as rain, and is, therefore, as it were,his son-in-law, identifying Tvaṣṭā with Āditya (Yajus. 27.34)

Details:

Ṛṣi (sage/seer): viśvamanā vaiyaśvo vyaśvo vāṅgirasaḥ [viśvamanā vaiyaśva vyaśva vāṅgirasa];
Devatā (deity/subject-matter): vāyu:;
Chandas (meter): nicṛdgāyatrī ;
Svara (tone/note): Swar;

Padapatha [Accents, Plain, Transliterated]:

तव॑ । वा॒यो॒ इति॑ । ऋ॒तः॒ऽप॒ते॒ । त्वष्टुः॑ । जा॒मा॒तः॒ । अ॒द्भु॒त॒ । अवां॑सि । आ । वृ॒णी॒म॒हे॒ ॥
तव । वायो इति । ऋतःपते । त्वष्टुः । जामातः । अद्भुत । अवांसि । आ । वृणीमहे ॥
tava | vāyo iti | ṛtaḥ-pate | tvaṣṭuḥ | jāmātaḥ | adbhuta | avāṃsi | ā | vṛṇīmahe

Multi-layer Annotation of the Ṛgveda

[Rigveda 8.26.21 English analysis of grammar]