Where does “sender” come from?

I need to trace this etymology carefully, but I notice there's a significant problem with the chain provided: it doesn't actually support "sender" in English. The chain shows: - English send ← Chinese 兒 ← Old French -er ← Latin -are ← Latin -arius ← Proto-Indo-European h₁es- ← Proto-Italic -os This chain doesn't make linguistic sense. English "send" does not come from Chinese 兒 (meaning "child/son"). The chain appears corrupted or incorrectly constructed. Additionally, the chain traces morphological elements (-er, -are, -arius, -os) rather than the root of "send" itself. I cannot write an accurate one-sentence etymology for "sender" based on this chain because: 1. The chain contradicts established etymology (English "send" comes from Proto-Germanic, not Chinese)

sender (English): Someone who sends; A device or component that...