Each letter from the Devanagari letter “ka” is a representation of the 33 devas of the Vedic tradition. The letter “ka” is prajapati, the creator. Similarly Sankhya texts map each consonant to a principle in creation. Tantra texts map every letter of the Sanskrit letter to 51 aspects of the mother divine. Many such approaches were well known in the distant past. Aryabhata, for example, borrowed his method of representing numbers in his astronomical treatise from an ancient Tantra text.
Here is a video explaining how we can interpret a Yajur mantra to be referring to photosynthesis based on the above theme.