Definitions

1. noun

One who or something that illuminates or precedes a luminary, especially a person who prepares the way for someone of distinction.

“The poet was considered an anteluminary for the celebrated novelist, paving the way for her rise to fame.”

2. adjective

Of or relating to something that prepares or precedes a luminary.

“The anteluminary work of the artist laid the groundwork for her later success.”