Where does “hereon” come from?

I need to work through this chain carefully, but I notice a significant problem: the etymological chain provided doesn't actually support "hereon" as a coherent derivation. The chain shows: - English on ← Japanese 音読み ← Japanese 音 ← PIE wen-, keres-, ḱe-, (s)ker-, ker- This chain traces "on" (a preposition) back through Japanese to multiple unrelated PIE roots, which is linguistically incoherent. "Hereon" is "here" + "on" (meaning "on this" or "concerning this"), but the chain doesn't establish how these PIE roots relate to either "here" or "on" in English. Additionally, the chain mixes multiple PIE roots without showing how they're connected or which one actually leads to which word. **I cannot write an accurate one-sentence summary because the provided

hereon (English): On this place; To this place; On this subject or...