piTana
pithana- or °nā- ( n. act. to prec. , suffix -ana, -anā), the shutting off, blocking : pithanārthāya apāyabhūmināṃ LV 178.7 ( vs ; Tib. lam ni bcad pa , blocking the way ); vitathagrāha-pithanā-su-pīthitam Gv 55.1 ( vs ; °nā could be m.c. , as pīth° certainly is); sarvākṣaṇagati-dvārapithanārthena Gv 98.1 (prose).