Where does “autrefois” come from?

autrefois (French) comes from French autre, from Middle French aultre, from Old French autre, from Old French vie, from Old French viḍe, from Latin vitam, from Latin vīta, from Latin vīvō — to live.

autrefois (French): previously; formerly at a past time, erstwhile

Definitions

  1. previously; formerly at a past time, erstwhile

Ancestry of “autrefois”, step by step

autrefois traces back through two separate lines of ancestry.

via French autre

StepLanguageWordMeaning
1Frenchautreother; another
2Middle Frenchaultreother; another; someone else; another person
3Old FrenchautreAlternative form of altre; other
4Old Frenchvielife
5Old Frenchviḍe
6Latinvitamaccusative singular of vīta
7Latinvītalife
8Latinvīvōto live
9Proto-Italicgʷīwōlive, be alive
10Proto-Indo-Europeangʷíh₃wetito live, to be alive
11Proto-Indo-Europeangʷih₃wósalive, living
12Proto-Indo-Europeangʷeih₃w-to live

via French fois

StepLanguageWordMeaning
1Frenchfoistime, an instance of something happening; a...
2Middle Frenchfoystime; occasion; occurrence
3Old Frenchfoiztime; instance; occurrence
4Old Frenchfeiztime; instance; occasion
5Latinvicischange, alternation, turn; time, instance; season
6Proto-Indo-Europeanweyḱ-to enter in; to settle; settlement
7Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...
Every word from Proto-Indo-European gʷeih₃w-Every word from Proto-Indo-European gʷih₃wósEvery word from Proto-Indo-European gʷíh₃weti