Sc. Obs.1 [For earlier *ōth, a. ON. óð-r poetry, melody.] Harmony.
c. 1465. Liber Pluscardensis, XI. xi. Rycht as [all] stringis ar reulit in a harp In ane accord, and tunyt al be an uth. [Rhyming with suth sooth and muth dull = MOTHE a.]