zeroth

[ zeer-ohth ]

adjective

1. coming in a series before the first:

   the zeroth level of energy.

zeroth

/ ˈzɪərəʊð /

adjective

1. denoting a term in a series that precedes the term otherwise regarded as the first term

Word History and Origins

Origin of zeroth¹

First recorded in 1895–1900; zero + -th ¹

Word History and Origins

Origin of zeroth¹

C20: from zero + -th ²