Webster's Revised Unabridged Dictionary · 1913

Liss

Liss (lis) , noun

[Anglo-Saxon liss.]

Release; remission; ease; relief. [Obsolete]
Of penance had a lisse. — Chaucer

Liss , transitive verb

[Anglo-Saxon lissan.]

To free, as from care or pain; to relieve. [Obsolete]
Lissed of his care. — Chaucer