Middle English word certeinly comes from Middle English certein (Certain.), Middle English -ly (-ly (suffix used to form adverbs).)
Dictionary entry | Language | Definition |
---|---|---|
certein | Middle English (enm) | Certain. |
-ly | Middle English (enm) | -ly (suffix used to form adverbs). |
certeinly | Middle English (enm) | Certainly; with certainty. |