colluctancy

From Latin collū̆ctārī (“to struggle with”) +‎ -ancy.

colluctancy (uncountable)

1. (obsolete, rare) Synonym of colluctation: struggling, conflict, strife.
   • 1664, Henry Power, “Microſcopical Obſervations: A Digreßion of the Animal Spirits”, in Experimental Philosophy, in Three Books […], London: Printed by T. Roycroft, for John Martin, and James Alleſtry […], page 61:

     Thirdly, the Spirits are in their third ſtate of Volatility, when after a colluctancy with the groſſer Particles they have ſo ſubjugated and overcome them, that they are juſt upon wings, and ready to fly away; as in Wine when it is in the height of its fermentation, and in ſome part of our arterial bloud alwayes.

   • 1828 April 29, “Domestic News: British Influence”, in Rutland Herald, volume 34, number 18, Rutland, Vt., page [2]:

     After struggling along with the difficulties and embarrassments occasioned by this immense loss of patronage, and enduring the colluctancy of the Boston anti-tariff committee, and the N. Y. Evening Post, just as the heart was ready to sink within us, help springs up where it was least expected, even in the city of New York, where this British “Satan’s throne is.”

   • 1848 May 14, “Theatres, etc.: Royal Italian Opera, Covent-Garden”, in The Era, volume 10, number 503, page 11:

     They may be such as to raise Madame [Pauline] Viardot to a very exalted positiion; but we can only say that an idea of colluctancy with Mdlle. [Jenny] Lind—at all events in the character of Amina—must be abandoned, as outrageously ridiculous.