Sindarin name of the Grey Havens (LotR/1030), a combination of mith “grey” and lond “haven” (SA/mith, londë).
Conceptual Development: When it first appeared in Lord of the Rings drafts from the 1940s, this name was given as N. Mithond (per Christopher Tolkien probably a slip), later revised to Mithrond and finally N. Mithlond (WR/80, note #16). The gloss of this name on the early maps of the Lord of the Rings is unclear, and instead could be “Grey Gulf” (TI/423).
mith (“grey”) + lond (“entrance to harbour, land-locked haven”)