Which preposition to use with unamiability

of Occurrences 1%

And even if she did, in the noble spirit of altruism, rather than selfishness, the next woman, with one reproachful glance at her, would pick up the mutilated remains of the man's vanity and apply the splints of her respectful attention and the balm of her admiration, partly to add a new scalp to her belt, and partly to show off the unamiability of her sister woman.

Which preposition to use with  unamiability