Obstructive element- That which creates obstruction in the obligatory performances (or ascetic practices);
for example, talkativeness is Parimanthu of truthfulness.
sādhusamācārasya pari-sarvato mathnanti-viloḍayantiti parimanthavaḥ.(BṛBhā 6313 Vṛ)
cha kappassa palimamthū paṇṇattā....moharie saccavayaṇassa palimaṃthū(Ka 6.19)