ἰδέα
idéa
“form, appearance”
5 words in English grow from this root.
Idea
Everydayἰδέαidéa
“a form seen by the mind”
Ideal
Numberἰδέαidéa
“belonging to the form”
Idealism
Philosophyἰδέαidéa
“the look of a thing”
Ideogram
Wordsἰδέαidéa
“idea-writing”
Ideology
Politicsἰδέαidéa
“study of ideas”