Where does “whistleless” come from?

whistleless (English) comes from English whistle, from Middle English whistlen, from Old English hwistlan, from Proto-West Germanic *hwistlōn, from Proto-Germanic hwistlōną, from Proto-Indo-European ḱweys- — to hiss, whistle, whisper.

whistleless (English): Without a whistle

Definitions

  1. Without a whistle

Ancestry of “whistleless”, step by step

whistleless traces back through two separate lines of ancestry.

via English whistle

StepLanguageWordMeaning
1EnglishwhistleA device designed to be placed in the mouth and...
2Middle Englishwhistlen—
3Old Englishhwistlan—
4Proto-West Germanic*hwistlōn—
5Proto-Germanichwistlōnąto whistle, hiss
6Proto-Indo-Europeanḱweys-to hiss, whistle, whisper

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus—
Every word from Proto-Indo-European ḱweys- →Every word from Proto-Germanic hwistlōną →Every word from Proto-West Germanic *hwistlōn →