A Briton of old is a term used to describe an ancient inhabitant of Britain, typically from the Iron Age or earlier. The two crossword solutions for this term are CELT and Pict, both of which refer to ancient peoples who lived in Britain before the Roman conquest. The Celts were a group of Indo-European tribes who inhabited much of Europe during the Iron Age, while the Picts were a confederation of Celtic tribes who lived in what is now Scotland.