fe-cund / fē-kənd, fĕk-ənd
1. able to produce fruit, offspring, etc. in abundance; fruitful; fertile
The rain, the humid flux descending from heaven for both man and animal, for both thick and strong, germinated the wheat, swelled the furrows with fecund mud and brought forth the buds in the orchards.
Aeschylus, c. 525 BC – c. 456 BC
2. very productive intellectually; prolific
A sterile mind can transform itself into a fecund mind through astute perception and resolute determination.
From “Dead Toad Scrolls” by Kilroy J. Oldster, ?