Comments: PTsKh *berušo; PGB *berũš(e) (cf. also Bezht. Tlad. miröš, Khosh. meruse). Nasalisation of the second vowel is witnessed by the variation *b- ~ *m- in GB (the first vowel could not be nasalised before a resonant). Gunz. has an irregular -i- (-e- would be expected).