durare [L]
durer [OF]
duren, durand [MI]
during [ME]
duriŋ
https://www.etymonline.com/word/during#etymonline_v_16013
https://quod.lib.umich.edu/m/middle-english-dictionary/dictionary/MED12826
https://quod.lib.umich.edu/m/middle-english-dictionary/dictionary/MED12835
https://www.anglo-norman.net/entry/durer_1
https://latin-dictionary.net/definition/18570/duro-durare-duravi-duratus