Adverb
Secondly; in the second place.
Source: Webster's dictionaryWith respect to the function of the calciferous glands, it is probable that they primarily serve as organs of excretion, and secondarily as an aid to digestion. Charles Darwin
In conversion you are not attached primarily to an order, nor to an institution, nor a movement, nor a set of beliefs, nor a code of action - you are attached primarily to a Person, and secondarily to these other things. E. Stanley Jones
A painting to me is primarily a verb, not a noun, an event first and only secondarily an image. Elaine de Kooning
Trying to ignore secondarily meaningful things gives them more meaning than they deserve. David Allen (author)
Philosophy ... is interesting because it expresses, in a form as clearly defined as possible, the tendencies of this or that period, much more than it really creates them; and even if it can be said to direct them to a certain extent, it does so only secondarily and when they are already formed. René Guénon
Every kind of peaceful cooperation among men is primarily based on mutual trust and only secondarily on institutions such as courts of justice and police. Albert Einstein