S / sĕpĕlībĭlis
adjective hapax

sĕpĕlībĭlis

neut. sĕpĕlībĭle
that may be buried;; that may be hidden; concealed
that may be buried; hence, trop., that may be hidden or concealed (a word formed by Plaut.): stultitia, Plaut. Cist. 1, 1, 64.