x1 (loi; result) is a quantity of a herbal infusion meant for consumption, from sources/herbs x2 (list of primary ingredients), extracted and introduced to substrate liquid by process x3 (default: steeping or soaking), introduced to substrate x4 (default: liquid water).
"Herb" is rather general, as is "consumption". Tea, coffee, original hot chocolate, herbal/false teas, some medicines, sassafrass or root beers, etc. count. Typically, blood transfusion or other solutions introduced by intravenous means is outside the scope of this word, but there may be exceptions. See also: tcati, ckafi.