Webster’s Revised Unabridged Dictionary · 1913
Fructuous
Fruc′tu·ous (frŭk′tū·ŭs), a. [L. fructuosus: cf, F. fructueux.] Fruitful; productive; profitable. [Obs.]
Nothing fructuous or profitable. Chaucer.
— Fruc′tu·ous·ly, adv. — Fruc′tu·ous·ness, n. [Obs.]