Sanskrit Verbal Suffix Exercises - Choose The Correct Option

Choose The Correct Option

'अवदेध्रेकणीयः' is the combination of the verb root 'अव + ध्रेक् + यङ्लुक् + णिच् - ध्रेकृँ शब्दोत्साहयोः भ्वादिः' and which suffix ?