Where does “развязывание” come from?

развязывание (Russian) comes from Russian развя́зывать, from Russian развяза́ть, from Russian раз-, from Old East Slavic роз-, from Proto-Slavic orz- — dis-.

развязывание (Russian): untying

Definitions

untying

Ancestry of “развязывание”, step by step

Step	Language	Word	Meaning
1	Russian	развя́зывать	—
2	Russian	развяза́ть	—
3	Russian	раз-	asunder, apart; dis-, di-, un-; enlarged action
4	Old East Slavic	роз-	—
5	Proto-Slavic	orz-	dis-

Every word from Proto-Slavic orz- →

развязывание — Etymology, Origin & Word History | Etymology Explorer