godan verb (-mu), transitive verb
wipe thoroughly; polish well
Emphasizes careful, thorough wiping or polishing, often with a cloth, until the surface is clean or shiny.
窓ガラスを拭き込んでピカピカにした。
I wiped the window glass thoroughly until it sparkled.
靴を拭き込んでから出かけた。
I polished my shoes well before going out.
Standard kanji spelling for this compound verb.
拭く is the simple verb 'to wipe'; 拭き込む adds the nuance of doing it thoroughly or with extra care.
Compound of 拭き (continuative form of 拭く 'to wipe') + 込む (suffix meaning 'to do thoroughly' or 'to put into').