thoroughgo

• thorough-go

From Middle English thurhgon, from Old English þurhgān (“to go through, go over, pass through, pierce, penetrate, permeate, pervade”), equivalent to thorough- +‎ go. Cognate with Dutch doorgaan (“to go on, continue, go through, proceed”), German durchgehen (“to go through, pass through”).

thoroughgo (third-person singular simple present thoroughgoes, present participle thoroughgoing, simple past thoroughwent, past participle thoroughgone)

1. (transitive, obsolete) To go through.

• thoroughgoing