Where does “toneless” come from?

Toneless comes from English tone, from Latin tonus, from Ancient Greek τόνος meaning a stretching or tension, from the root τείνω meaning to stretch.

toneless (English): Lacking tone or expression; Lacking vitality;...

Definitions

  1. Lacking tone or expression; Lacking vitality;...

Ancestry of “toneless”, step by step

StepLanguageWordMeaning
1English-less(something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun
2Middle English-lesLacking (something); without (something)
3Turkish-lewith, shortened form of ile; by, shortened form...
4Turkishilewith; and
5Ottoman Turkishایلهby
6Old Anatolian Turkishاِیلَه
7Proto-Turkicbilewith, together, also

Words derived from “toneless

Every word from Proto-Turkic bileEvery word from English -lessEvery word from Middle English -les