From Middle English jus, juis, from Old French jus, jous, from Latin jūs (“broth, soup, sauce”), from Proto-Indo-European *yúHs, from *yewH- (“to mix (of meal preparation)”).
Sounds like the right word to me.
You sound like one of those people who take issue with non-dairy milks being called milks too.
Is that bad? I love almond milk but I feel like it deserves its own word. :P
Yes, it’s the rallying call of the dairy industry lobbyists trying to force ownership of a word and to hurt the sales of non-dairy milks.
Milk has referred to all manner of white thick drinking liquids for at least 800 years now, it is not solely the domain of animals.