Candetuma measure of 100 feet, from the Welsh cant100. The Gaelic for a hundred is CEAD, and the Gaelic compound would have been different.
"The English Language"
Robert Gordon Latham
Our friends were well pleased at his wish to attend, and asked me to go back and bring him to where a hearty CEAD mile failte awaited him.
"The Life Story of an Old Rebel"
John Denvir
We followed close beside it to a little inn called the "Angler's Rest," set back at the edge of a pretty garden, entered through a gate with three steps, on which were graven the words of the old Irish greeting, "CEAD Mile Failte," a hundred thousand welcomes.
"The Charm of Ireland"
Burton Egbert Stevenson