A few verbs of the Second Conjugation (generally intransitive) are
recognizable as formed from noun-stems; but most are inherited, or
the primitive noun-stem is lost:—
albeō, -ēre, to be
cāneo, -ēre, to be
to shine, from clārus, bright.
to be lame, from claudus, lame.
algeō, -ēre, to be cold,