Rishi: Yājñavalkya (traditional White Yajurveda attribution; specific r̥ṣi not explicit in the mantra itself)
Devata: Prajāpati (with functional identifications to Viśve Devāḥ, Gharma, Aśvins, Pūṣan, Maruts, Mitra, Vāyu, Agni, and Vāc)
Chandas: Mixed/prose-formulaic (yajus); not a fixed ṛgvedic metre
Samhita Patha (Devanagari)प्र॒जाप॑तिः सम्भ्रि॒यमा॑णः स॒म्राट् सम्भृ॑तो वैश्वदे॒वः स॑ᳪस॒न्नो घ॒र्मः प्रवृ॑क्त॒स्तेज॒ उद्य॑त आश्वि॒नः पय॑स्यानी॒यमा॑ने पौ॒ष्णो वि॑ष्य॒न्दमा॑ने मारु॒तः क्लथ॑न् । मै॒त्रः शर॑सि सन्ता॒य्यमा॑ने वाय॒व्यो॒ ह्रि॒यमा॑ण आग्ने॒यो हू॒यमा॑नो॒ वाग्घु॒तः
Transliterationprajā́patiḥ sambhriyámāṇaḥ samrā́ṭ sambhṛ́to vaiśvadeváḥ saṁsannó gharmáḥ pravṛ́ktas téja údyata āśvináḥ páyasy anīyámāne pauṣṇó viṣyandámāne mārutáḥ kláthan | maitráḥ śárasi santāyyámāne vāyavyó hriyámāṇa āgneyó hūyámāno vā́g-ghutáḥ
Translationプラジャーパティ(Prajāpati)は集められつつあるとき王者(サムラート)であり、集め終えられるとき万神(ヴァイシュヴァデーヴァ)となる。固くまとめられるときガルマ(Gharma)であり、送り出されるとき高く掲げられた光輝である。乳の流れが導かれゆくとき彼はアシュヴィン(Aśvin)であり、流れ出るときプーシャン(Pūṣan)であり、攪拌されるときマルト(Marut)である。湖において、整えられ成就されつつあるとき彼はミトラ(Mitra)であり、運ばれゆくとき風神ヴァーユ(Vāyu)であり、献供されつつあるとき火神アグニ(Agni)であり、言葉を供物として捧げられた者である。
Padapatha (Word Analysis)प्र॒जाप॑तिः । सम्भ्रि॒यमा॑णः । स॒म्राट् । सम्भृ॑तः । वैश्वदे॒वः । स॑ᳪस॒न्नः । घ॒र्मः । प्रवृ॑क्तः । तेजः॑ । उद्य॑तः । आश्वि॒नः । पय॑स्य । अनी॒यमा॑ने । पौ॒ष्णः । वि॑ष्य॒न्दमा॑ने । मारु॒तः । क्लथ॑न् । मै॒त्रः । शर॑सि । सन्ता॒य्यमा॑ने । वाय॒व्यः । ह्रि॒यमा॑णः । आग्ने॒यः । हू॒यमा॑नः । वाक् । घु॒तः

Word by Wordसम्भ्रियमाणःbeing borne/being carried together सम्भृतःcollected, brought together वैश्वदेवःbelonging to all the gods; Vaiśvadeva संसन्नःsettled down, seated, established घर्मःthe Gharma (hot oblation/ritual vessel/pressing) प्रवृक्तःpurified/strained, made ready तेजःsplendour, heat, brilliance उद्यतःraised up, uplifted आश्विनःAśvin-related; of the Aśvins पयस्यानीयमानेwhen being brought as milky (with milk) विष्यन्दमानेwhen flowing forth, when being made to stream मारुतःof the Maruts; Marut-like क्लथन्he/it churns, agitates शरसिin the lake/pond; in the pool सन्ताय्यमानेwhen being stretched/extended/laid out ह्रियमाणःbeing carried/borne हूयमानःbeing offered (into the fire), being invoked 
Viniyoga (Ritual Application)