English word grateful comes from English -ful, Latin gratia
| Dictionary entry | Language | Definition |
|---|---|---|
| -ful | English (eng) | Used to form adjectives from nouns. Full of, tending to, or thoroughly possessing the quality expressed by the noun.. Used to form nouns from nouns meaning “as much as can be held by what is denoted by the noun”. Used to form nouns indicating a great deal of the quantity expressed by the noun. |
| gratia | Latin (lat) | For the sake of (figurative) friendship. (plural) thanks. Grace. Sake; pleasure. Thankfulness. |
| grateful | English (eng) | (obsolete) Pleasing, welcome.. Appreciative; thankful. |