procurrent
/prəˈkʌrənt/ /prəˈkʌr(ə)nt/Chiefly Zoology
adjective
Running forwards; continuing or tapering forward at the base; specifically (in bony fishes) designating or relating to the slender, unbranched, unsegmented fin rays at the leading edges of a caudal fin, anterior to the principal rays.
Origin
Late 19th century; earliest use found in American Naturalist. From classical Latin prōcurrent-, prōcurrēns projecting, extended, use as adjective of present participle of prōcurrere to run forward, to project, extend from prō- + currere to run.