The compound 'three-judge' is a modern English formation that transparently combines the cardinal number 'three' with the noun 'judge'. The number 'three' has ancient Indo-European roots, evident in cognates across many languages, signifying a specific quantity. The term 'judge' originates from the Latin judex, literally meaning 'one who says the law', combining jus (law) and dicere (to say). The compound thus logically denotes a panel or bench composed of exactly three legal officials, a structure often used for specific, significant, or appellate court proceedings to combine multiple judicial perspectives.

Structure: three (number) + judge (legal official) - three: From Old English þrīe, þrēo, of Proto-Germanic origin; related to Dutch drie and German drei, from an Indo-European root shared by Latin tres and Greek treis. Functions as a numerical quantifier. - judge: From Old French juge, from Latin judex, judic-, from jus 'law' + dicere 'to say'. Functions as the core noun denoting a legal official.