beforan [OE]
bifore [MI]
before [ME]
https://www.etymonline.com/word/before#etymonline_v_8242
https://quod.lib.umich.edu/m/middle-english-dictionary/dictionary/MED4433/track?counter=1&search_id=40803854
https://quod.lib.umich.edu/m/middle-english-dictionary/dictionary/MED4432
https://bosworthtoller.com/3397
https://bosworthtoller.com/39747