Board Thread:Off Topic/@comment-25396609-20170505174118/@comment-25936766-20170519203337

GreyStark wrote: Caledfwlch Is the original Welsh name, it might be appropriate There's also Calesvol (cornish), and Kaledvoulc'h (Breton).

And possibly Caladbolg, since it's phonetically similar to Caledfwlch and it's theorized that the latter was derived from it. Though it's also possibly both swords simply had generic names for swords; Caladbolg and Caledfwlch in english would be "Hard Cleft" and "Hard Breach/Cleft" respectively.