Yesterday
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Safin（讨论 | 贡献）2022年4月27日 (三) 00:38的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=yesterday+etymology&newwindow=1&hl=en ref] Old English giestran dæg (see yester-, day).…”的新页面）
Old English giestran dæg (see yester-, day).
wiktionary
From Middle English yesterday, yisterday, ȝesterdai, ȝisterdai, from Old English ġiestrandæġ, ġister dæġ, ġestor dæġ, ġeostran dæġ, equivalent to yester- + day; see there for more. Compare Scots yisterday, yesterday(“yesterday”), Gothic 𐌲𐌹𐍃𐍄𐍂𐌰𐌳𐌰𐌲𐌹𐍃( gistradagis, “tomorrow”, adverb). Compare further Dutch gisteren, German gestern.
etymonline
yesterday (n., adv.)
Old English geostran dæg; see yester- + day.
