from aiglent ‘sweetbrier', from Vulgar Latin aculentus (with the ending of spinulentus ‘thorny, prickly'), from Latin aculeus ‘prickle Kaynak:Rosa rubiginosa
gall like a moss produced on rosebushes (as the sweetbrier or eglantine) by a gall wasp (Rhodites rosae or related species. Begar : Etymology Kaynak:List of English words of Persian origin