Protoform: *mV(r)qV ( ~ -χ-)
Meaning: birch
Avar: maχ
Chadakolob: maχ
Comments: Av. paradigm A (máχi-l). Chad. maχ was subject to literary influence (otherwise maħ would be expected). The Av. form should be kept apart from PA *biqʷV-r 'birch' ( = Av. biháro 'poplar', see *wēqwV).