The gerundial suffix `-ing'.    From Wordnet, Princeton University. 

I never understood, then or now, what the gerundial “the Crying of” meant.    From Wordnik.com.  [The Crying of Area Code 212 - Paper Cuts Blog - NYTimes.com] Reference

This is the gerundial infinitive after an adjective: comp.    From Wordnik.com.  [Milton's Comus] Reference

The gerundial inf. with tô expresses purpose, defines a noun or adjective, or, with the verb be, expresses duty or necessity passively; cf.    From Wordnik.com.  [Beowulf] Reference

One suggestion I would make is that the sense of ouai doesn't seem judgmental, as "reckoning" would imply that there will be a reckoning upon you (and there's no indication that the interjection is present progressive or gerundial), but purely interjectory along the lines of "poor you.".    From Wordnik.com.  [Conservapedia - Recent changes [en]] Reference

The case studies investigated include the alternation between synthetic and analytic comparatives, between the s-genitive and the of-genitive, between gerundial and infinitival complementation, particle placement, and future marker choice in a number of corpora sampling different spoken registers and geographical varieties of English.    From Wordnik.com.  [AvaxHome RSS:] Reference

Happy to discuss gerundial matters with anyone who’s interested ….    From Wordnik.com.  [The prescriptivists’ untying of this Gordian Knot is flawed « Motivated Grammar] Reference