ديس

From the root د و س‎ (d-w-s) or lengthened from د س س‎ (d-s-s) because of their being trodden down. Or according to Dictionnaire du faisceau dialectal arabe andalou, an Old South Arabian variant of ثُدَّاء‎ (ṯuddāʔ, “desert papyrus (Cyperus conglomeratus)”), hence due to Yemenite expatriates markedly occurring in Northwestern Arabic.

• IPA^(key): /diːs/

دِيس • (dīs) m (collective, singulative دِيسَة‎ f (dīsa), plural أَدْيَاس‎ (ʔadyās))

1. rush (Juncus gen. et spp.)
2. bulrush, club-rush (Scirpus gen. et spp.)
3. diss, rope grass (Ampelodesmos, which has only one relevant species Ampelodesmos mauritanicus syn. Ampelodesmos tenax)

• c. 1200, يحيى بن محمد بن أحمد بن العوام‎ [Yaḥyā ibn muḥammad ibn ʾaḥmad ibn al-ʿawwām], José Antonio Banqueri, editor, كتاب الفلاحة‎ [Book on Agriculture], volume 1, Madrid: Imprenta Real, published 1802^IA, Cap. 16, page 669 line 6:

  ‏ويجمع التين إذا سقط في الأرض بعد تناهي نضجه ويفرش على رتم أو ديس يابس وييبس للشمس نعما‎

  And the figs are collected when having fallen to the ground after having finished ripening and are spread on sere retama or rush to dry in the sun towards a more pleasurable experience.

• a. 1369, Ibn Ḵātima, “Un document nouveau sur l’arabe dialectal d’Occident au XII^e siècle = إيراد اللآل من إنشاد الضوال [ʾīrad l-laʾāl min ʾinšād aḍ-ḍawāl]”, in G. S. Colin, editor, Hespéris‎, volume 12, number 1, published 1931, page 12:

  ‏ديس — لفظ عامّيّ والعرب يسمّيه الأَسَل وهو الذي تتّخذ منه الحُصُر‎

  Diss is a vulgar term for what the Arabs call rush, one from which one makes mats.

• → English: diss
• → French: diss
• → German: Diss
• → Italian: disa

• ديس – Scirpus‎ on the Arabic Wikipedia.Wikipedia ^ar
• ديس – Ampelodesmos‎ on the Arabic Wikipedia.Wikipedia ^ar
• Corriente, Federico; Pereira, Christophe; Vicente, Angeles, editors (2017) Dictionnaire du faisceau dialectal arabe andalou. Perspectives phraséologiques et étymologiques (in French), Berlin: De Gruyter, page 491
• Dozy, Reinhart Pieter Anne (1881), “ديس”, in Supplément aux dictionnaires arabes (in French), volume 1, Leiden: E. J. Brill, page 481a
• Freytag, Georg (1833), “ديس”, in Lexicon arabico-latinum praesertim ex Djeuharii Firuzabadiique et aliorum Arabum operibus adhibitis Golii quoque et aliorum libris confectum (in Latin), volume 2, Halle: C. A. Schwetschke, page 76a
• Wehr, Hans (1979), “ديس”, in J. Milton Cowan, editor, A Dictionary of Modern Written Arabic, 4th edition, Ithaca, NY: Spoken Language Services, →ISBN, page 352a
• Wehr, Hans; Kropfitsch, Lorenz (1985), “ديس”, in Arabisches Wörterbuch für die Schriftsprache der Gegenwart (in German), 5th edition, Wiesbaden: Otto Harrassowitz, published 2011, →ISBN, page 422a

Unknown.

• IPA^(key): /deːs/

ديس • (dēs) m (dual ديسين‎ (dēsēn), plural ديوس‎ (diyūs))

1. breast, boob

   Synonym: صَدِر‎ (ṣadir)