different between folium vs foliolum

English

Etymology

From Latin folium (“leaf”). Doublet of foil and folio.

Noun

folium (countable and uncountable, plural foliums or folia)

1. A leaf, especially a thin leaf or plate.
2. (geometry) A curve of the third order, consisting of two infinite branches having a common asymptote. The curve has a double point, and a leaf-shaped loop.
3. (uncountable) Synonym of turnsole (“purple dye”)

Latin

Etymology

From Proto-Indo-European *b?olh?yom (“leaf”), from *b?leh?- (“blossom, flower”). Alternatively from *d?olyom (*d?elh?- (“be green”)), whence Welsh dail and Middle Irish duille.

Pronunciation

• (Classical) IPA^(key): /?fo.li.um/, [?f?li???]
• (Ecclesiastical) IPA^(key): /?fo.li.um/, [?f??lium]

Noun

folium n (genitive foli? or fol?); second declension

1. a leaf
2. a petal
3. a sheet or leaf of paper
4. (figuratively) trifle, thing of no consequence

Declension

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

Derived terms

Related terms

Descendants

References

• f?l?um in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• folium in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• folium in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• f?l?um in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette, page 678/1
• “folium” on page 719/3 of the Oxford Latin Dictionary (1st ed., 1968–82)
• Niermeyer, Jan Frederik (1976) , “folium”, in Mediae Latinitatis Lexicon Minus, Leiden, Boston: Brill, page 439/2