lown (1)youdaoicibaDictYouDict
"A calm or quiet state; stillness, tranquillity", Middle English. Originally from early Scandinavian (compare Old Icelandic logn, Norwegian regional logn, Old Swedish lughn (Swedish lugn), Old Danish lun, lugn, loghn, lundh (early modern Danish luun, lowen, Danish lun, lune), all nouns in sense ‘calm, stillness, tranquillity’, and also Old Icelandic lygn (adjective) calm, Norwegian lun, (regional) logn, Old Swedish lughn (Swedish lugn, lygn), Danish lun, all adjectives in sense ‘still, calm’) from the same Germanic base as Old Icelandic lauss free, unencumbered.
lown (2)youdaoicibaDictYouDict
"To make calm, to lull", Late 15th cent.; earliest use found in John Barbour (c1330–1395), ecclesiastic and verse historian. From lown.