English word invaluable comes from English in-, English valuable
| Dictionary entry | Language | Definition |
|---|---|---|
| in- | English (eng) | In, into (non-productive) Added to adjectives to mean not. (non-productive) Added to nouns to mean lacking or without. (non-productive) Used with certain words to reverse their meaning In, into, towards, within. |
| valuable | English (eng) | A personal possession such as jewellery, of relatively great monetary value; — usually used in plural form. Estimable; deserving esteem.. Having a great value. |
| invaluable | English (eng) | Beyond calculable or appraisable value; of inestimable worth. Of great value; costly, precious, priceless.. Very useful. |