The letter 'Myo' of "Myoho" is an abbreviation of "Mimyo," which is the term mentioned in Kaikyoge (a verse to recite before intoning a sutra) of any sect of Buddhism, which reads as follows:
妙法の「妙」とは微妙（読み：みみょう）の略で、各宗派で唱える開経偈（かいきょうげ）には、