Do not mistake this pattern, in the hasar haniqud, for ptr
P-t1xx and others very similar.
This is a variant form of ptr PI-d030Construct Hiph'il infinitive of three kinds of verbs. Having a guttural as their last root consonant is a common feature to all them
1. The ע'ו verb (לָ)נוּחַ
(2Sa 21:10) where it means put but not where it means to cause to rest. For the latter look at PI-d033
