from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to an early or original race or lineage; primitive.
from The Century Dictionary and Cyclopedia
- In geology, noting crystalline or fire-formed rocks, in contradistinction to deuterogenic, which notes those formed from them by mechanical action.
- In botany, noting those intercellular spaces of plants which are formed when the tissues begin to differentiate. Compare hysterogenic, lysigenous, sehizogenic.
Sorry, no etymologies found.
His mind was essentially what the geologists would call 'a tertiary formation; 'theirs were' protogenic. '