Words

Amharic
bäṭäbbäṭä - to mix by stirring vigorously (AED 949)
Amharic
bäṭṭäḳä - to tear off (AED 949)
Amharic
baṭṭälä - to be spoiled, ruined, abolished (AED 945)
A borrowing from Arabic.
Amharic
bäṭṭälä - to become torn to pieces (AED 945)
Amharic
buṭ(ṭ)əm - terebinth (AED 946)

Borrowed from Arabic.

Amharic
täbäṭṭärä - to be winnowed (grain) (AED 946)
Amharic
bäṭaṭṭäḳä - to cut to pieces, bits (AED 949)
Amharic
bäyyänä - to give a verdict (AED 933)
Amharic
bəzu - many (AED 928)
Amharic
bəz - internal tumor; kind of chancre which appears on the backs of pack animals due to chafing of the loads (AED 929)
May be related with a meaning shift.