Where does “complaintless” come from?

complaintless (English) comes from English complaint, from Middle English compleynte, from Anglo-Norman compleint, from Old French compleindre, from Latin planctus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

complaintless (English): Without complaint

Definitions

  1. Without complaint

Ancestry of “complaintless”, step by step

complaintless traces back through two separate lines of ancestry.

via English complaint

StepLanguageWordMeaning
1EnglishcomplaintThe act of complaining; A grievance, problem,...
2Middle Englishcompleynte
3Anglo-Normancompleintlament; wail; complaint; past participle of...
4Old Frenchcompleindreto have compassion; to lament; to bewail; to...
5Latinplanctusstruck, beaten; bewailed, lamented, mourned;...
6Latin-tusForms the past participle of verbs; Forms...
7Proto-Italic-tus
8Proto-Indo-European-tusDerives action nouns from verb roots

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 -tus