ETYMOLOGY
from stiria (an icicle) + -ous
EXAMPLE
“…The ground of this opinion might be, first the conclusions of some men from experience, for as much as Crystall is found sometimes in rockes, and in some places not much unlike the stirious or stillicidious dependencies of Ice; which notwithstanding may happen either in places which havee been forsaken or left bare by the earth, or may be petrifications, or Minerall indurations, like other gemmes proceeding from percolations of the earth disposed unto such concretions…”
From: Pseudodoxia Epidemica,
or, Enquiries into very many received tenents and commonly presumed truths
By Thomas Browne
Lexicophilia 