कोरोना/कोरोणा?

Jan Houben asked me why there is no णत्व.  Here is my response:

जिह्वा स्पृशति मूर्धानं नाधुना स्पर्शवारणात् । 

कोरोनाग्रस्तमनसां मूर्धन्यत्वं न सिध्यति ।।

Madhav M. Deshpande

Professor Emeritus, Sanskrit and Linguistics

University of Michigan, Ann Arbor, Michigan, USA

Senior Fellow, Oxford Center for Hindu Studies

[Residence: Campbell, California, USA]

So coronavirus has the power to suspend P 8.4.1? Indeed it is very powerful :)