Help please.
9 across > slow medieval dance > 9 letters.
1 down > eliminate impurities> 5 letter > P????
2 down > hard to get hold of > 7 letters > E?????E.
13 down > solid geometric figure > 10 letters > ?O???E?R>N
17 across > beginning of everything > 6 letters > E?B???
Many thanks.