ervum

Probably from a Mediterranean substrate borrowing, related to Ancient Greek ὄροβος (órobos), Proto-Germanic *arwīts.

• (Classical) IPA^(key): /ˈer.u̯um/, [ˈɛru̯ʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈer.vum/, [ˈɛrvum]

ervum n (genitive ervī); second declension

1. bitter vetch (Vicia ervilia), and by extension other types of vetches (Vicia gen. et spp.)
   • 4 CE – c. 70 CE, Columella, De Re Rustica XI.II.99:

     Mense Ianuario paleas cum ervi macerati sextariis sex vel paleas cum cicerculae fresae semodio vel frondis corbem pabulatorium modiorum viginti vel paleas quantum velint et faeni pondo viginti vel adfatim viridem frondem ex siliquis et lauru vel, quod his omnibus praestat, farraginem hordeaceam dabit siccam.

Second-declension noun (neuter).

• ervilia

• Old Occitan:
  • Catalan: er, erb
  • Occitan: èrs
    • → French: ers
• Spanish: yervo, yero
• → Old English: earfe, earbe
• → Translingual: Ervum
  • → Italian: ervo

• “ervum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “ervum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers