qhw / Semitic roots

Central Semitic, to be(come) weak, dim, dull, dark.

café, cafeteria, caffeine, coffee, ultimately from Arabic qahwa, coffee, wine (originally perhaps "dark stuff"), akin to Arabic kahiya, to be(come) weak, Aramaic kəhā, qəhā, Hebrew kāhâ, qāhâ, to be(come) dim, faint, dull.