yester- /ˌyestərˈnīt, ˌjɛstərˈnaɪt/ ▸ combining form literary or archaic of yesterday: yestereve
yesteryear.
– ORIGIN Old English geostran, of Germanic origin; related to Dutch gisteren and German gestern ‘yesterday’, from an Indo-European root shared by Latin heri and Greek khthes.
EnglishOxford New American Dictionary
