Etymology From Latin lībra (“pound”), partially via Italian, Spanish, and Portuguese libra. Doublet of arratel, libbra, Libra, lira, litra, litre, livre, and rottol.
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Historical A Roman unit of mass, usually equivalent to 327 g.
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Historical A traditional Spanish unit of mass, usually around 460 g.
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Historical A traditional Portuguese unit of mass, usually equivalent to 345 g and particularly used for trade in medicines.
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Historical Synonym of arratel, a separate Portuguese unit of mass, usually around 460 g.
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Alternative, Historical Alternative spelling of libbra, a traditional Italian unit of mass.
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Historical Synonym of pound, a notional pound of silver as a money of account, especially in medieval contexts.
Synonyms
Roman pound, pound, Spanish pound, Portuguese pound
Etymology From Latin lībra (“scales, balance”), calque of Ancient Greek ζυγόν (zugón), calque of Akkadian 𒀯𒍣𒁀𒉌𒌈 (ᵐᵘˡzibānītum, “scales”), from Sumerian 𒀯𒍣𒁀𒀭𒈾 (ᵐᵘˡZI.BA.AN.NA, “scales”). Doublet of arratel, libbra, libra, lira, litra, litre, livre, and rottol.