eahta, æhta [OE]
ehte, eighte [MI]
eight [ME]
ét
https://www.etymonline.com/word/eight#etymonline_v_1047
https://www.merriam-webster.com/dictionary/eight
https://quod.lib.umich.edu/m/middle-english-dictionary/dictionary/MED13148
https://bosworthtoller.com/8369