Syr-RomLaw.63.26 :ܐܝܠܝܢ ܕܝܢ ܕܩܢܝܢ ܒ̈ܬܐ ܕܕܒܝܩܝܢ ܠܫܩ̈ܩܐ܃ ܫܠܝܛܝܢ ܕܢܪܦܘܢ ܒܫܩ̈ܩܐ܃ ܬܪ̈ܥܐ ܘܟܘ̈ܐ ܘܫܓܪ̈ܐ‏ : those who acquire houses along alleyways are allowed to leave doorways, windows and drain-pipes in the alleys
See the entire entry for šḡār, šḡārā v.n. heating