Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Ekavihāriya
Ekavihāriya:1.Ekavihāriya Thera.-An arahant.In the time of Kassapa Buddha he entered the Order and dwelt in solitude.In this life,too,he was fond of dwelling alone.Ap.ii.390f.
2.Ekavihāriya.-A monk greatly famed for his love of solitude.When they told the Buddha of him,the Buddha sang his praises in the midst of the assembly.DhA.iii.471f.