seventieth
se·ven·tieth
noun
adjective
Origin
From earlier seventeth, from Middle English seventiþe, seventithe; equivalent to seventy + -eth. For the modern form, see the etymological notes at twentieth.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.