  In this work, we propose a new approach called ``stationary reduction method
based on nonisospectral deformation of orthogonal polynomials" for deriving
discrete Painlev\'{e}-type (d-P-type) equations. We successfully apply this
approach to (bi)orthogonal polynomials satisfying ordinary orthogonality,
$(1,m)$-biorthogonality, generalized Laurent biorthogonality, Cauchy
biorthogonality and partial-skew orthogonality. As a result, several seemingly
novel classes of high order d-P-type equations, along with their particular
solutions and respective Lax pairs, are derived. Notably, the d-P-type equation
related to the Cauchy biorthogonality can be viewed as a stationary reduction
of a nonisospectral generalization involving the first two flows of the Toda
hierarchy of CKP type. Additionally, the d-P-type equation related to the
partial-skew orthogonality is associated with the nonisospectral Toda hierarchy
of BKP type, and this equation is found to admit a solution expressed in terms
of Pfaffians.
