- lower (v.1)
- "to cause to descend," c.1600, from lower (adj.), from M.E. lahghere (c.1200), comp. of low (adj.).
- lower (v.2)
- (also lour), M.E. louren, luren "to frown, lurk," from O.E. *luran or from its cognates, M.L.G. luren, M.Du. loeren "lie in wait."