spissigradus
Could not find spissigradissimos in Logeion dictionaries.
spissigradissimos Adjective: masculine accusative plural superlative of spissigradus
spissĭgrădus, a, um, adj. [spissegradior],
- slow-paced: hos duco homines spissigradissimos, Plaut. Poen. 3, 1, 3 (506).
spissigradus, a, um (spisse u. gradior), langsam schreitend, homines spissigradissumi, Plaut. Poen. 506.
spissĭgrădus, a, um (spissus, gradior), à la marche lente : -issimus Pl. Pœn. 506.