whosever
/huːˈzevə(r)/relative pronoun & determiner
- rare belonging to or associated with whichever person; whoever's〈罕〉无论是谁的（whoever的所有格）：
as pronoun the choice, whosever it was, is interesting这个选择, 无论是谁作的, 都很有意思
as determiner she dialled whosever number she could still remember.她拨了所有她还记得的号码。