Etymologically
← History of solarium

solarium Latin · revision 9222

16 Oct 2026, 18:05 by bogdan “New Latin entry (sources: de Vaan, OLD, Lewis & Short, TLL...)” current version

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+ {{homograph|1|sundial; terrace}}
+
+ {{infobox|confidence=established|formation=derivation|attested=Plautus|origins=la sōl}}
+
+ ==Pronunciation==
+ * IPA (Classical): [soːˈɫaː.ri.ũː]^(Wiktionary)
+ * IPA (Ecclesiastical): [soˈlaː.ri.um]^(Wiktionary)
+
+ ==Forms==
+ '''sōlārium''' ''n'' (genitive sōlāriī or sōlārī); second declension^(Wiktionary)
+
+ ==Etymology==
+ This noun is from [[sōl]] “sun” with the suffix [[-ārium]].^(OLD 2012)^(Wiktionary)^(Etymonline)
+
+ ==Earliest recorded meaning==
+ The OLD's earliest citation is from Plautus, of a sunny terrace.^(OLD 2012) Köbler dates Plautus c. 250–184 BC.^(Köbler 2010)
+
+ ==Semantic evolution==
+ It meant a sundial, as in Varro, who says it was the thing on which the hours were seen in the sun, and other timepieces such as a water clock.^(OLD 2012)^(Gaffiot 2016) The sundial in the Forum was a meeting place, and Cicero has ''ad sōlārium versārī'' “to hang about the sundial”.^(Gaffiot 2016) In Plautus and Suetonius it meant a part of a house open to the sun, a balcony or terrace.^(OLD 2012)
+
+ Köbler traces Old English ''solor'' and German ''Söller'' “loft, balcony” to it.^(Köbler 2010) It survives in Italian ''solaio'' “floor, loft”, and English took [[m|en|solarium]] for a sundial in 1842 and for a sun room in 1891.^(Wiktionary)^(Etymonline)
+
+ ==Timeline==
+ * c. 250–184 BC – Plautus uses it of a terrace.^(OLD 2012)^(Köbler 2010)
+ * 116–27 BC – Varro uses it of a sundial.^(OLD 2012)^(Köbler 2010)
+ * 1842 – English ''solarium'' “sundial” is recorded.^(Etymonline)
+
+ ==Meanings==
+ ===Noun===
+ # A [[m|en|sundial]]; a water clock.^(OLD 2012)
+ # A balcony, [[m|en|terrace]].^(OLD 2012)
+
+ {{homograph|2|ground rent}}
+
+ {{infobox|confidence=established|formation=derivation|attested=Ulpian|origins=la solum}}
+
+ ==Pronunciation==
+ * IPA (Classical): [soːˈɫaː.ri.ũː]^(Wiktionary)
+ * IPA (Ecclesiastical): [soˈlaː.ri.um]^(Wiktionary)
+
+ ==Forms==
+ '''sōlārium''' ''n'' (genitive sōlāriī or sōlārī); second declension^(Wiktionary)
+
+ ==Etymology==
+ This noun is from [[solum]] “ground” with the suffix [[-ārium]], understood with ⟨vectīgal⟩ “tax”.^(OLD 2012)^(Lewis & Short 1879)^(Gaffiot 2016)
+
+ ==Earliest recorded meaning==
+ Köbler's first source is Ulpian, whom he dates before 223 AD.^(Köbler 2010)
+
+ ==Semantic evolution==
+ It meant a ground rent, a tax on land, in the Digest and inscriptions.^(OLD 2012)^(Lewis & Short 1879)^(Gaffiot 2016)
+
+ ==Timeline==
+ * before 223 AD – Ulpian uses it.^(Köbler 2010)
+
+ ==Meanings==
+ ===Noun===
+ # A ground [[m|en|rent]].^(OLD 2012)
+
+ ==Related words==
+ * [[sōl]]
+ * [[sōlāris]]
+ * [[solum]]
+ * [[en|solarium]]
+
+ ==References==
+ {{reflist}}