EphNis 3:9.5 :ܡܐ ܕܐܬܪܕܝ ܝܡܐ | ܒܠܐ̈ܩܐ ܐܫܬܝܢ ܠܗ‏ : when the sea was trained it was pacified with rudders
See the entire entry for šyn vb. D to make peace