Main Entry: io·ta

Pronunciation: \ī-ˈō-tə\

Function: noun

Etymology: Latin, from Greek iōta, of Semitic origin; akin to Hebrew yōdh yod

Date: 1542

1 : the 9th letter of the Greek alphabet — see alphabet table
2 : an infinitesimal amount : jot <did not show an iota of interest>