littoral

The story

1. Late Latin · derived fromlittoralis
2. English todaylittoral

From Late Latin littoralis, from litoris (genitive of litus). The doubled 't' is a late medieval addition, and the more classical litoral is also sometimes found. Cognate to French littoral, Spanish litoral, Portuguese litoral, and more distantly to English lido (“outdoor pool”), via Italian lido (“beach, shore”).