Which preposition to use with interminglement

of Occurrences 1%

For us he has an almost unique value as representing the interminglement of antique and modern fancy at a moment of transition, as embodying in some of his pictures the subtlest thought and feeling of men for whom the classic myths were beginning to live once more, while new guesses were timidly hazarded in the sphere of orthodoxy.

Which preposition to use with  interminglement