Etymology of the English word tidemark
the English word tidemark
derived from the English word tide
derived from the English word tid
derived from the Proto-Indo-European root *da-
derived from the Proto-Indo-European root *dā-
derived from the Proto-Germanic root *tidis
derived from the English word mark
derived from the French word marc
derived from the Old French word marchier
derived from the Frankish root *marka
derived from the Proto-Germanic root *markojanan