Rishi: Vājasaneyin ritual tradition.
Devata: Manthi/Manthin (as ritual power), with prosperity/progeny orientation.
Chandas: Mixed: imperative yajus with triṣṭubh-like cadence.
Samhita Patha (Devanagari)सु॒प्र॒जाः प्र॒जाः प्र॑ज॒नय॒न् परी॑ह्य॒भि रा॒यस्पोषे॑ण॒ यज॑मानम् । स॒ञ्ज॒ग्मा॒नो दि॒वा पृ॑थि॒व्या म॒न्थी म॒न्थिशो॑चिषा निर॑स्तो॒ मर्को॑ म॒न्थिनो॑ऽधि॒ष्ठान॑मसि
Transliterationsuprájāḥ prajā́ḥ prajanáyan párīhy abhí rāyáspoṣeṇa yájamānam | sañjagmā́no divā́ pṛthivyā́ manthī́ manthiśóciṣā nírasto márko manthíno'dʰiṣṭʰā́nam asi
Translationيا (مانثي)، كُنْ ذا نسلٍ صالح؛ وأنت تُنْشِئُ النسلَ طُفْ حولَ اليَجَمانا بزيادةِ الثروةِ والرخاء. مُجْتَمِعًا من السماءِ والأرض، يا مانثي، بضياءِ مانثي المتَّقِد—قد طُرِدَتِ «مَرْكا»؛ أنتَ موضعُ قيامِ «المانثِن».
Padapatha (Word Analysis)सु॒-प्र॒जाः । प्र॒जाः । प्र॒ज॒नय॒न् । परी॑हि । अ॒भि । रा॒यः-पोषे॑ण । यज॑मानम् । स॒ञ्ज॒ग्मा॒नः । दि॒वा । पृ॑थि॒व्या । म॒न्थी । म॒न्थि-शो॑चिषा । निर॑स्तः । मर्कः॑ । म॒न्थिनः॑ । अ॒धि॒ष्ठान॑म् । अ॒सि॒
Word by Wordसु-प्रजाःhaving good offspring प्रजनयन्begetting, generating परीहिgo around, encompass पोषेणwith nourishment, increase सञ्जग्मानःhaving come together, having approached मन्थीthe churning-stick; churner मन्थि-शोचिषाwith the flame/heat of the churning-stick निरस्तःcast out, driven away मर्कःthe pest/demon ‘Marka’ (harmful being) मन्थिनःof the churning-stick अधिष्ठानम्support, base, seat 
Entities MentionedD
Dyāvā-Pṛthivī (Heaven and Earth)P
Prajā (Progeny as a divine aim)R
Rāyas-Poṣa (Increase of wealth/nourishment) Viniyoga (Ritual Application)