The phrase "a step earlier" is correct and usable in written English.
It can be used to refer to a previous stage or point in a process or discussion.
Example: "Before we proceed with the current plan, let's take a step earlier and review our initial objectives."
Alternatives: "one step back" or "a previous step".
I wish I had started my slide a step earlier.
Mr. Roberts denied that, insisting that campaign-finance reform would have an even bigger effect than ending pay-to-play -- in March, the state banned campaign contributions by companies that hold or seek large state contracts -- because it begins a step earlier in the political process.
The latter results support their general conclusion – i.e., cross-over seemingly around the dehydrolathosterol-lathosterol step, or maybe a step earlier.
Although he called the scrutiny unjustified, he did say he recognized that he could have taken a step earlier this year that might have allowed him to avoid the controversy that enveloped his campaign finance affairs this summer.
Still, he did not rule out taking such a step later this year.
"He is anxious to move on, and has taken a step today to put this behind him," she said.
The Nets took a step this week by telling their players gambling would no longer be allowed on team flights.
Hendrick Ramaala of South Africa, who won the New York City Marathon in 2004 and missed winning by a step last year, has entered this year's race, scheduled for Nov. 5.
Bahrain took a step today toward bringing the opposition into a referendum next week to restore democracy by declaring a general amnesty for political prisoners and exiled dissidents.
A City Council committee took a step yesterday toward helping pedestrians, passing measures regulating bicycles and newspaper boxes on the city's increasingly congested sidewalks.
Opera, Operas The rejuvenated Long Island Opera takes a step today that few opera companies -- let alone small regional troupes -- attempt.
