It's an acronym for Enomoto, Nakanishi, Okajima and Zaizen, the members' last names, apparently.
ăăłăăĄăłăăŒăź ćć æŠæŹ(ăăźăăš) äžè„ż(ăȘăă«ă) ćȥ泶(ăăăăŸ) èČĄć(ăăăă) ăăź é æćă ćăŁăŠ ïŒ„ïŒźïŒŻïŒșăŁăŠăăšăăăăă ăă©