myEtymology.com: English etymology of illogical

Etymology of the English word illogical

the English word illogical

derived from the English word logical

derived from the English word logic

derived from the Old French word logique

derived from the Medieval Latin word logica

derived from the Greek word logike, λογική

derived from the Greek word logos, λόγος (word, speech, topic, treatise, reasoning)

derived from the Greek word legein, λέγω (to speak)

derived from the Proto-Indo-European root *leg- (to collect, to speak)

using the English suffix -al

derived from the Latin suffix -alis

derived from the English word il-