Lech [?] (gender unknown)
plural: Lecha [?]each of the tone producing holes of a chanter or semidrone
From German "Loch / Löcher" [hole(s)]; Due to his odd choice of syntax, Habenicht leaves us guessing whether this term fis used or all fingerholes or for the thumbhole only.
Habenicht, Gottfried: Der Egerländer Dudelsack. In: Jb. f. ostdeutsche Volkskunde 20 (Marburg, 1977), p.218.
ws (linguistics)