Why is “Knight in panthers skin” called “Knight in panthers skin” in English?

Couple reasons: word “ვეფხი” stood for a few of the large felines more endemic to Georgia like cheetahs and leopards and only later transformed into the current “ვეფხვი” – tiger.

sources: [http://www.nplg.gov.ge/gwdict/index.php?a=term&d=17&t=1150](http://www.nplg.gov.ge/gwdict/index.php?a=term&d=17&t=1150)

[https://ka.wikipedia.org/wiki/%E1%83%90%E1%83%95%E1%83%90%E1%83%96%E1%83%90](https://ka.wikipedia.org/wiki/%E1%83%90%E1%83%95%E1%83%90%E1%83%96%E1%83%90)

[https://ka.wikipedia.org/wiki/%E1%83%AF%E1%83%98%E1%83%A5%E1%83%98](https://ka.wikipedia.org/wiki/%E1%83%AF%E1%83%98%E1%83%A5%E1%83%98)

Tigerskinner doesn’t sound that great.