a tempo

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Related to a tempo: fermata, ritardando

a tem·po

 (ä tĕm′pō)
adv. & adj. 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.]

a tempo

(ɑː ˈtɛmpəʊ) music
adj, adv
(Classical Music) to the original tempo
(Classical Music) a passage thus marked
Also: tempo primo
[Italian: in (the original) time]

a tem•po

(ɑ ˈtɛm poʊ)
Music. resuming the original speed.
[1730–40; < Italian: in (the regular) time]