chance at, works upon, with loc.: Av ii.183.13 nāgniḥ kāye
'vakāśati; caus. °śayati, gdve. °śayitavyaḥ, to be given a
chance to work (in a certain function), MSV ii.154.12,
where prob. read a negative before it; this is read by em.
in text in line 18, where, it seems to me, the neg. is not
wanted.