multidecade

English

Etymology tree

Proto-Indo-European *mel-der.

Proto-Indo-European *-tósder.

Proto-Indo-European *ml̥tós?

Proto-Italic *moltos

Latin multus

Latin multīder.

Middle English multi-

English multi-

English decade

English multidecade

From multi- + decade.

multidecade (not comparable)

Extending over multiple decades.
- 2009 January 22, Julia Werdigier, Nelson D. Schwartz, “The Falling Pound Raises Fears of Nationalization”, in The New York Times‎^[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 6 February 2012:
  With the pound at a multidecade low and British banks requiring ever-larger injections of taxpayer cash, it is no wonder that observers have started to refer to London as “Reykjavik-on-Thames.”