Old English to-

← German zer- (cognate)

← Proto-Germanic *twiz- (inherited)

← Old High German zi- (cognate)

← Old High German zir- (mention)

← Old High German zar- (mention)

← Old High German zur- (mention)

← Gothic 𐌳𐌹𐍃- (cognate)

← Proto-Indo-European *dwís (inherited)

← Latin dis- (cognate)

← Old Frisian ti- (cognate)

← Old Frisian te- (mention)

← Old Saxon te- (cognate)

→ Middle English tobursten (link)