Merka (f)
(with) definite article: Merkataoriginal: мерка(та)
measuring staff for correct spacing of fingerholes
From мерка (mèrka [to watch / observe]); Measuring staff for correct spacing of the fingerholes; NB: ➺ Serbia.
Brömse, Peter: Flöten, Schalmeien und Sackpfeifen Südslawiens. Brünn [Brno], 1937, p.82.