chrotta

Among these were a diminutive harp, which was laid on the table while being played, the fiddle, also called vielle or viola (prototypes of our violin), the very ancient crwth, crowd or chrotta (an instrument having originally three, but later five strings, now obsolete), and the hurdy-gurdy.

The Catholic Encyclopedia, Volume 10: Mass Music-Newman 1840-1916 1913

Possibly an impulse was given the fiddle by the Moorish rebab, brought into Spain in the eighth century, but ancient Celtic bards had long before this used a bow instrument -- the chrotta or crwth, derived from the lyre, which was introduced by the Romans in their colonizing expeditions.

For Every Music Lover A Series of Practical Essays on Music Aubertine Woodward Moore 1885

a string stretched from end to end; (2) the Welsh _chrotta_

Critical and Historical Essays Lectures delivered at Columbia University Edward MacDowell 1884