मन्दरकन्थmandarakanthav.l. for मडर-क्˚ Siddh.
varia lectio for मडर-क्that the rest of a word is to be supplied Siddh.
कोशःDictionaries
Every entry for a word in Apte, Monier-Williams, Macdonell and the Dhātupāṭha, with their abbreviations spelled out, and an analysis of its forms.