P Neh10:33 :ܘܐܫܪܢ ܥܠܝܢ ܦܘܩܕܢܐ ܕܢܗܘܐ ܝܗ݀ܒܝܢ ܬܘܠܬܗ݀ ܕܐܣܬܪܐ ܒܫܒܬܐ܂ ܠܦܘܠܚܢܐ ܕܒܝܬܐ ܕܐܠܗܢ‏ : we have affirmed the commandment to give a third of a stater on the Sabbath for God's Temple service
See the entire entry for šrr vb. to be firm, true