1. The act or process of ascending; ascent.
2. Astronomy The rising of a star above the horizon.
a. In Christianity, the bodily rising of Jesus into heaven on the 40th day after his Resurrection.
b. A feast celebrating this event, observed on Ascension Day.
[Middle English ascensioun, from Old French ascention, from Latin ascēnsiō, ascēnsiōn-, from ascēnsus, past participle of ascendere, to ascend; see ASCEND.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.