CUEste
Cueste is a grammatical form in the Spanish language. It is the present subjunctive form of the verb costar, which means “to cost.” The subjunctive mood is used in subordinate clauses that express doubt, uncertainty, desire, emotion, or necessity, and cueste is the form that appears in those contexts for certain subjects or grammatical constructions.
In standard usage, cueste appears in clauses introduced by verbs or expressions that require the subjunctive,
A common idiomatic expression built from this form is cueste lo que cueste, which translates to “at
Phonology and orthography are straightforward: cueste is accented on the first syllable (CUE-ste), reflecting stress rules
See also: costar, subjunctive mood in Spanish, cueste lo que cueste.