Afore means before, in dialect or old use. Afore the storm, afore now, come afore me.
It survives in regional speech in Britain and America and in fixed legal and nautical compounds — aforesaid, aforementioned, aforethought — where it is entirely alive. Malice aforethought is the classic phrase for premeditation. Note that the word is a- plus fore, built like ahead and aboard.
1prepositionaforeBefore.
“Don't you worry, I'll be home afore dark.”
afore is a preposition of time.
Old English onforan is on plus fore. Ahead and aboard are built the same way.
Old English
onforan
Middle English
afore
English, today
afore
From Middle English afore, aforn, from Old English onforan or ætforan; equivalent to a + fore.
Etymology from Wiktionary, CC BY-SA