paṭividdha

being or having penetrated or pierced; having acquired, mastering, knowing MN.i.438; SN.ii.56 (sup˚); Pts.ii.19, Pts.ii.20; Ja.i.214; Vv-a.73 (˚catusacca = saccānaṃ kovida)
appaṭividdha not pierced, not hurt Ja.vi.446.

pp. of paṭivijjhati