by dint of (doing) something
From Longman Dictionary of Contemporary Englishby dint of (doing) somethingby dint of (doing) somethingBECAUSEby using a particular method By dint of hard work and persistence, she had got the job of manager. → dintExamples from the Corpusby dint of (doing) something• A peculiar light seemed shed over everything, by dint of it being that house and no other!• And though his grades each week never varied much from 9 and 10, it was only by dint of hard work.