Where does “thoughtlessly” come from?
Thoughtlessly derives from English thoughtless, formed from Old English thought plus the suffix -lēas meaning "without," ultimately from Proto-Germanic galīkaz and Proto-Indo-European roots meaning "lacking" and "together."
thoughtlessly (English): Done without thinking
Ancestry of “thoughtlessly”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | thoughtless | Marked by or showing lack of due thought or care;... |
| 2 | English | -less | Lacking ; without . Added usually to a noun to... |
| 3 | Middle English | -les | Lacking ; without |
| 4 | Turkish | -le | with, shortened form of ile; by, shortened form... |
| 5 | Turkish | ile | with; and |
| 6 | Ottoman Turkish | ایله | — |
| 7 | Old Anatolian Turkish | اِیلَه | — |
| 8 | Proto-Turkic | bile | with, together, also |