Old English geostror; related to Old High German gestaron, Gothic gistra, Old Norse ī gǣr
yestern in American English
(ˈjestərn)
adjective
archaic
yester
Word origin
[1855–60; alter. of yester, perh. with -ern]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: keyword, lavabo, output, pickup, pipeline