Which planet name is explicitly tied to Germanic linguistic evolution?

Answer

Earth

Earth is the sole major planet whose name is intrinsically linked to Germanic linguistic evolution rather than being a direct Latin borrowing rooted in classical Mediterranean mythology. The names of the other planets are foreign imports into English derived from Latin terms for their associated Roman gods (e.g., Mercurius, Saturnus). Earth, conversely, derives its name from Old English *eorþe* and Germanic *ertha*, terms that simply refer to 'ground' or 'soil.' This linguistic divergence underscores its historical perception as the familiar terrestrial environment, distinct from the deified, distant celestial wanderers.

Which planet name is explicitly tied to Germanic linguistic evolution?
nameOrigingodplanetGreek