The adjective 'wordless' is a transparent compound formed within English from its native Germanic elements. Its first element, 'word', descends from the Proto-Germanic wurda-, which itself derives from the Proto-Indo-European root werh₁- meaning "to speak" or "to say". The suffix '-less' originates from the Old English '-lēas', meaning "devoid of" or "free from", from a root meaning "loose". Therefore, the literal construction "without words" directly and logically yields the modern meanings of being silent or communicating through means other than speech. Its usage powerfully conveys a state where emotion or circumstance overrides the capacity or need for verbal expression.

Structure: word (a unit of language) + less (without) - word: Origin: Old English. Functional Role: The core noun root, denoting speech or language. - less: Origin: Old English. Functional Role: An adjective-forming suffix meaning "without" or "lacking".