Ps-Clem Recogs 2.146:22 :ܣܦܝܩܘܬܗ ܕܦܘܪܓܝܐ ܕܗܢܝܢ ܕܠܐ ܐܝܬܝܗܝܢ‏ : the leisure of taking pleasure from things that do not exist
See the entire entry for sp̄īqū, sp̄īqūṯā n.f. emptiness