salicastrum

From salic- (“willow”) +‎ -astrum.

• (Classical Latin) IPA^(key): [sa.lɪˈkas.trũː]
• (modern Italianate Ecclesiastical) IPA^(key): [sa.liˈkas.t̪rum]

salicastrum n (genitive salicastrī); second declension

1. a kind of wild vine found in willow-thickets

Second-declension noun (neuter).

• Mozarabic: *šaugaçro
  • → Galician: chougazo, sargazo, zargazo
  • → Portuguese: sargaço (metathesis of /r/ and loss of /w/)
    • → Catalan: sargàs
    • → English: sargasso
    • → Italian: sargasso
    • → Spanish: sargazo
    • → Translingual: Sargassum
• → Classical Gaelic: soilestar
  • Irish: sileastar, siolastar, siolastrach, soileastar, soileastrach
• →? Middle Irish: ailestar
  • Irish: aileastar, alastram, eileastar, eileastrom, feileastar, feileastram, feileastrom

• Joan Coromines, José A[ntonio] Pascual (1984) “arcazón”, in Diccionario crítico etimológico castellano e hispánico [Critical Castilian and Hispanic Etymological Dictionary] (in Spanish), volume I (A–Ca), Madrid: Gredos, →ISBN, page 315
• Corriente, Federico (2008) “arcazón”, in Dictionary of Arabic and Allied Loanwords. Spanish, Portuguese, Catalan, Galician and Kindred Dialects (Handbook of Oriental Studies; 97), Leiden: Brill, →ISBN, page 186

• “salicastrum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• salicastrum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.