Mahabharata 6.32.35

बृहत्साम तथा साम्नां गायत्री छन्दसामहम्मासानां मार्गशीर्षोऽहमृतूनां कुसुमाकरः

bṛhatsāma tathā sāmnāṃ gāyatrī chandasāmahammāsānāṃ mārgaśīrṣo'hamṛtūnāṃ kusumākaraḥ

Our plain-language meaning of this verse is waiting for scholar review.