from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Beginning to be; becoming: juvenescent.
- suffix Characterized by; resembling: opalescent.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix beginning to be; becoming
- suffix resembling
from the GNU version of the Collaborative International Dictionary of English
- A suffix signifying beginning, beginning to be
French, from Old French, from Latin -ēscēns, -ēscent-, present participle suff. of inchoative verbs in -ēscere.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin -escent- (Wiktionary)