con—congredior, ī, gressus sum, to meet; join battle, fight.
dis—dīgredior, ī, gressus sum, to go apart or away, depart.
ex—ēgredior, ī, gressus sum, to go or march out or away; disembark. (The verb is construed with the abl., the abl. with ex, or the acc.).
in—ingredior, ī, gressus sum, to enter, advance, proceed.
prō—prōgredior, ī, gressus sum, to go forth or on, advance.
re—regredior, ī, gressus sum, to go back, return, retreat.
trāns—trānsgredior, ī, gressus sum, to step over or across, cross.
gradus, ūs, m., a step; stage, period, degree; pl., steps, stairs.
Graecia, ae, f., Greece.
Graeculus, ī [dim. of Graecus], m., a poor or paltry Greek.