The word is cognate with the English breeches. It appears to derive from the Indo-European root - "break", here apparently used in the sense "divide", "separate", as in Scottish Gaelic  ("trousers"), in Breton  ("pants"), in Irish  ("trousers")  and  in Welsh.
The word is cognate with the English breeches; it appears to derive from the Indo-European root - "split," which means "divide" or "separate," such as in Scottish Gaelic ("trousers"), Breton ("pants"), Irish ("trousers"), and Welsh.