Rishi: Yājñavalkya (traditional)
Devata: Implicitly the Horse as Prajāpati/Year; operative power of Yoking (Yuj)
Chandas: Yajus
Samhita Patha (Devanagari)र॒ज॒ता हरि॑णी॒ः सीसा॒ युजो॑ युज्यन्ते॒ कर्म॑भिः । अश्व॑स्य वा॒जिन॑स्त्व॒चि सिमा॑ः शम्यन्तु॒ शम्य॑न्तीः
Transliterationrajatā́ háriṇīḥ sī́sā yújo yujyante kármabhiḥ | áśvasya vā́jinas tváci símāḥ śamyantu śámyantīḥ
Translationവെള്ളിവർണ്ണവും ഹരിണവർണ്ണവും സീസവർണ്ണവും ആയ നുകങ്ങൾ കർമവിധികളാൽ ഘടിപ്പിക്കപ്പെടുന്നു; വാജിയായ വേഗശാലി അശ്വത്തിന്റെ ത്വചയിൽ സീമകൾ—ചേര്ച്ചകളും അതിരുകളും—മിനുക്കി സമമാക്കപ്പെടട്ടെ; അതെ, ശാന്തക്രമത്തിൽ സമമാക്കപ്പെടട്ടെ.
Padapatha (Word Analysis)र॒ज॒ताः । हरि॑णीः । सीसाः । युजः । युज्यन्ते । कर्म॑भिः । अश्व॑स्य । वा॒जिनः । त्व॒चि । सिमाः । शम्यन्तु । शम्यन्तीः ।
Word by Wordहरिण्यःdoes (female deer) युजःyokes / harness-parts युज्यन्तेare yoked / are joined कर्मभिःwith acts / with ritual operations वाजिनःof the swift/strong (steed) शम्यन्तुlet (them) become calm / be appeased शम्यन्तीः(them) calming / appeasing 
Entities MentionedA
Aśva (as Prajāpati/Year)Y
Yuj / Yoking-power (implicit) Viniyoga (Ritual Application)