English word protocorm comes from English proto-, English corm
| Dictionary entry | Language | Definition |
|---|---|---|
| proto- | English (eng) | (chemistry) Relating to protons and/or positive charge.. (linguistics, genetics) most recent common ancestor (often hypothetical) of. First. |
| corm | English (eng) | A short, vertical, swollen underground stem of a plant (usually one of the monocots) that serves as a storage organ to enable the plant to survive winter or other adverse conditions such as drought. |
| protocorm | English (eng) | (botany) A tuberous mass of cells that is the embryonic form of orchids and club mosses. |