Etymology Explorer › English

Where does “thoughtlessness” come from?

Thoughtlessness is an English formation from thought and the suffix -nes, ultimately from Proto-Indo-European teng- and lewH-, meaning to think and to leave or be empty.

thoughtlessness (English): disregard for other's feelings; heedless...

Definitions

  1. disregard for other's feelings; heedless...

Ancestry of “thoughtlessness”, step by step

StepLanguageWordMeaning
1English-nessAppended to adjectives to form nouns meaning "the...
2Middle English-nesseAffixed to adjectives to form abstract nouns...
3Old English-nesUsed to form abstract nouns, usually from...
4Proto-West Germanic-nassīUsed to form abstract nouns, usually from...
5Proto-Germanic-inassuz-ness
6Proto-West Germanic-ī-ness, -th
7Proto-Germanic-į̄-th
8Proto-Indo-European-íh₂—
9Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European -h₂ →