English word thought comes from Proto-Indo-European *tong-, Old English geþeaht, and later Proto-Germanic *þankijaną (To perceive, to think.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *tong- | Proto-Indo-European (ine-pro) | |
| geþeaht | Old English (ang) | |
| *þankaz | Proto-Germanic (gem-pro) | Gratitude; thanks. Remembrance. Thought; mind; consideration. |
| *þankijaną | Proto-Germanic (gem-pro) | To perceive, to think. |
| *þanhtaz | Proto-Germanic (gem-pro) | Thought, idea. |
| ġeþōht | Old English (ang) | |
| þōht | Old English (ang) | |
| ithoȝt | Middle English (enm) | |
| thought | English (eng) | (uncountable) The process by which such forms arise or are manipulated; thinking.. A way of thinking (associated with a group, nation or region).. Form created in the mind, rather than the forms perceived through the five senses; an instance of thinking. |