Rig Veda 1.3.10

Sanskrit text [Accents, Plain, Transliterated]:

पा॒व॒का न॒: सर॑स्वती॒ वाजे॑भिर्वा॒जिनी॑वती । य॒ज्ञं व॑ष्टु धि॒याव॑सुः ॥
पावका नः सरस्वती वाजेभिर्वाजिनीवती । यज्ञं वष्टु धियावसुः ॥
pāvakā naḥ sarasvatī vājebhir vājinīvatī | yajñaṃ vaṣṭu dhiyāvasuḥ ||

English translation:

“May Sarasvatī, the purifier, the bestower of food, the recompenser of worship with wealth, be attracted by our offered viands to our rite.”

Commentary by Sāyaṇa: Ṛgveda-bhāṣya

Sarasvatī = vāg-devatā, divinity of speech]. 

Details:

Ṛṣi (sage/seer): madhucchandāḥ vaiśvāmitraḥ [madhucchandas vaiśvāmitra];
Devatā (deity/subject-matter): sarasvatī;
Chandas (meter): gāyatrī;
Svara (tone/note): Swar;

Padapatha [Accents, Plain, Transliterated]:

पा॒व॒का । नः॒ । सर॑स्वती । वाजे॑भिः । वा॒जिनी॑ऽवती । य॒ज्ञम् । व॒ष्टु॒ । धि॒याऽव॑सुः ॥
पावका । नः । सरस्वती । वाजेभिः । वाजिनीवती । यज्ञम् । वष्टु । धियावसुः ॥
pāvakā | naḥ | sarasvatī | vājebhiḥ | vājinī-vatī | yajñam | vaṣṭu | dhiyāvasuḥ

Multi-layer Annotation of the Ṛgveda

[Rigveda 1.3.10 English analysis of grammar]