holus

• olus

From Old Latin helus, from Proto-Italic *helos, from Proto-Indo-European *ǵʰélh₃-s ~ *ǵʰl̥h₃-és, from *ǵʰelh₃- (“to flourish; green, yellow”) +‎ *-s. Cognate with Proto-Germanic *gulaz (“yellow”).

• (Classical Latin) IPA^(key): /ˈho.lus/, [ˈhɔɫ̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈo.lus/, [ˈɔːlus]

holus n (genitive holeris); third declension

1. vegetable; greens

Third-declension noun (neuter, imparisyllabic non-i-stem).

• “holus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “holus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• holus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• De Vaan, Michiel (2008) Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 287