fribusculum

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
FRIBUSCULUM, civil law. A slight dissension between husband and wife, which 
produced a momentary separation, without any intention to dissolve the 
marriage, in which it differed from a divorce. Poth. Pand. lib. 50, s. 106. 
Vicat, Vocab. This amounted to a separation, (q.v.) in our law. 
    

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