Assertion: latin alphabet's letter | /r/Synonym | e psilon
Facets:
value: to distinguish it
type: PURPOSE
Source sentences:
text: The letter ⟨ε⟩ was called e psilon ("plain e") to distinguish it from the identically pronounced digraph ⟨αι⟩, while, similarly, ⟨υ⟩, which at this time was pronounced [y], was called y psilon ("plain y") to distinguish it from the identically pronounced digraph ⟨οι⟩.