ob-structĭo — Lewis & Short
ob-structĭo, ōnis, f.obstruo,
I a building before or against, a closing up by building, a blocking up.
I Lit. (post-class.):
corporum,Arn. 2, 63.—
II Trop., an obstruction, a barrier:
haec obstructio non diuturna est,Cic. Sest. 9, 22.