Ling is Old English for heather and may be an alternative toponymological derivation.
A number of different alternative derivations have been proposed in order to overcome this problem.
In recent years, alternative derivations of the SEA equations based on wave approaches have become available.
A suggested alternative derivation was *meh "to measure" (Gray 1929).
An alternative derivation may be an old hill-name of Celtic origin.
An alternative derivation produces an equation similar in appearance, but with V on the left-hand side.
An alternative derivation is from a Celtic name, meaning fort of refuge.
An alternative derivation simply refers to slippery or boggy ground; again, a typical habitat for this plant.
An alternative derivation for the name is a corruption of "seaman's sight", because the hills are visible from the North Sea.