Where does “triphosphate” come from?

I need to work through this chain carefully, but I notice there are serious problems with it that make it impossible to write an accurate etymology sentence. The chain as given appears malformed: - It lists "Ancient Greek φέρω" twice - "phosphate" doesn't derive from "three" - The chain mixes unrelated roots (the tréyes/three line and the bʰer- line don't connect to phosphate) - The oldest element listed (bʰer-) doesn't support a path to "phosphate" A real etymology of "triphosphate" would need to trace "tri-" (from Latin/PIE meaning three) + "phosphate" (from Greek phosphóros, "light-bearing," from phōs "light" + pherein "to bear"). But that's not what this chain shows. **I cannot write an accurate one-sentence etymology

triphosphate (English): Any salt or ester containing three phosphate...