Labov's quantitative methods (and his interpretation of results) were not originally motivated to provide a statement of the relationship between linguistic structure and social structure.
Tetsuji Morohashi was originally motivated to create a dictionary in 1917 when he went to China to study Chinese.
DMS was originally motivated by a theory for maintaining designs of software called Design Maintenance Systems.
The problem of finding the number of such subsets in a k-uniform hypergraph was originally motivated through a conjecture by Paul Erdős and Haim Hanani in 1963.
Were they originally motivated by political concerns?
The birth of Galois theory was originally motivated by the following question, whose answer is known as the Abel-Ruffini theorem.
What originally motivated you to volunteer for the bedrest study?
While originally motivated by questions of geometric topology and bundle theory, they are today most often used in stable homotopy theory.
W. T. Tutte's interest in the deletion-contraction formula started in his undergraduate days at Trinity College, Cambridge, originally motivated by perfect rectangles and spanning trees.
Originally motivated by revenge, in an article published in the January 1862 Atlantic Monthly, he said that his desire for retaliation was quickly extinguished as habit and progress took its place.