What is the meaning of Ern?

Alternative spelling of erne.

To run; flow.

To (cause to) coagulate; curdle (milk) by adding rennet and applying heat.

To stir with strong emotion; grieve; mourn.

To pain; torture.

To cause to water; smart.

brisk, active (of an older person)

eagle (bird of prey)

alternative form of ærn

alternative form of airn

Source: wiktionary.org