Etymologically
← History of proportio

proportio Latin · revision 8500

16 Oct 2026, 16:03 by bogdan “New Latin entry (sources: de Vaan, OLD, Lewis & Short, TLL...)”

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+ {{infobox|confidence=established|formation=derivation|attested=Varro|origins=la portiō}}
+
+ ==Forms==
+ '''prōportiō''' ''f'' (genitive prōportiōnis); third declension^(Wiktionary)
+
+ ==Etymology==
+ It is a back-formation from the phrase ⟨prō portiōne⟩ “in proportion”, from [[prō]] and [[portiō]] “share”.^(OLD 2012)^(Wiktionary)^(Etymonline)
+
+ ==Earliest recorded meaning==
+ The OLD's earliest citation is from Varro, in grammar.^(OLD 2012) Köbler's first source is Cicero; he dates Varro 116–27 BC.^(Köbler 2010)
+
+ ==Semantic evolution==
+ In Varro it was a grammatical term, analogy, and in Vitruvius the proper relation of parts, proportion.^(OLD 2012)
+
+ In Ecclesiastical Latin it meant proportion, comparative relation.^(Stelten 1995) British Medieval Latin used it for a portion, a share of land.^(DMLBS) It was borrowed into Italian ''proporzione'' and French ''proportion'', and through Old French it gave [[en|proportion]] in the late 14th century.^(Wiktionary)^(Etymonline)
+
+ ==Timeline==
+ * 116–27 BC – Varro uses it in grammar.^(OLD 2012)^(Köbler 2010)
+ * c. 84–c. 25 BC – Vitruvius uses it of proportion.^(OLD 2012)^(Köbler 2010)
+ * late 14th century – English ''proportion'' is recorded.^(Etymonline)
+
+ ==Meanings==
+ ===Noun===
+ # ''(grammar)'' [[m|en|Analogy]].^(OLD 2012)
+ # [[m|en|Proportion]], symmetry.^(OLD 2012)
+ # ''(Medieval Latin)'' A share.^(DMLBS)
+
+ ==Word family==
+ * [[prōportiōnālis]]
+ * [[prōportiōnātus]]
+
+ ==Related words==
+ * [[ratiō]]
+ * [[portiō]]
+ * [[en|proportion]]
+
+ ==References==
+ {{reflist}}