Comments:KW 7, Poppe 11, Цинциус 1984, 30-31, Doerfer MT 22, Rozycki 78 (although, despite the two latter authors, in this case one can hardly think of a loanword). A Western isogloss. May be an old "Wanderwort" (cf. PIE *pelek'u-). Low tone and shortness reconstructed because of Mong. *h-.