a tem·po 
(ä tĕmpō)
(ä tĕmpō)adv. & adj.
Music
Music
In the tempo originally designated; resuming the initial tempo of a section or movement after a specified deviation from it. Used chiefly as a direction.
[Italian : a, in + tempo, time.]
- butterfat
- butterfingered
- butterfingers
- butterfish
- butterfly
- butterfly bush
- butterfly chair
- butterfly effect
- butterflyfish
- butterfly orchid
- butterfly pea
- butterfly valve
- butterfly weed
- butteriness
- buttermilk
- buttermilk sky
- butternut
- butternut squash
- butterscotch
- butter up
- butterweed
- butterwort
- buttery
- buttery
- butthead