Rishi: Vājasaneyin tradition (Saṃhitā corpus attribution).
Devata: Pramā (measure) as operative power; implicitly Prajāpati as the measured totality.
Chandas: Yajus (non-metrical, technical measuring formula).
Samhita Patha (Devanagari)स॒हस्र॑स्य प्र॒माऽसि॑ स॒हस्र॑स्य प्रति॒माऽसि॑ स॒हस्र॑स्यो॒न्माऽसि॑ साह॒स्रो॒ऽसि स॒हस्रा॑य त्वा
Transliterationsahásrasya pramā́’si sahásrasya pratimā́’si sahásrasyonmā́’si sāhasró’si sahásrāya tvā
Translationനീ സഹസ്രത്തിന്റെ പ്രമാണമാണ്; നീ സഹസ്രത്തിന്റെ പ്രതിപ്രമാണമാണ്; നീ സഹസ്രത്തിന്റെ ഉന്മാനമാണ്; നീ സഹസ്രഗുണനാണ്; സഹസ്രത്തിനായി നിന്നെ ഞാൻ ഗ്രഹിക്കുന്നു.
Padapatha (Word Analysis)सहस्रस्य । प्रमा । असि । सहस्रस्य । प्रतिमा । असि । सहस्रस्य । उन्मा । असि । साहस्रः । असि । सहस्राय । त्वा
Word by Wordप्रमाmeasure; standard measure प्रतिमाcounterpart; equal measure उन्माraised measure; superior measure साहस्रःthousandfold; belonging to a thousand सहस्रायfor a thousand; to (reach) a thousand 
Entities MentionedP
Pramā (Measure/Standard) Viniyoga (Ritual Application)