kášášŁir bhĹŤ-vÄcakaḼ Ĺabdo
ášaĹ ca nirvášti-vÄcakaḼ
tayor aikyaáš paraáš brahma
kášášŁáša ity abhidhÄŤyate
kášášŁiḼ - the verbal root kášášŁ; bhĹŤ - attractive existence; vÄcakaḼ - signifying; ĹabdaḼ - word; ášaḼ - the syllable áša; ca - and; nirvášti - spiritual pleasure; vÄcakaḼ - indicating; tayoḼ - of both; aikyam - amalgamation; param - supreme; brahma - Absolute Truth; kášášŁášaḼ - Lord KášášŁáša; iti - thus; abhidhÄŤyate - is called.
This is a verse from the MahÄbhÄrata (Udyoga-parva 71.4).