Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
infēcundē, adv., v. infecundus.
in-fēcundus, a, um, adj., unfruitful (rare): ager frugum fertilis, arbore infecundus, Sall. J. 17, 5; Verg. G. 2, 48; Ov. Tr. 3, 14, 34.
Comp.: infecundior materia, Col. 2, 4, 7.
* Adv.: infēcundē, unfruitfully, i. e. meagrely, sparingly: infecunde atque jejune laudare, Gell. 19, 3, 2.