gratis
/ˈɡɾatis/ · A2 · adv
free, without charge
🎁 Same word as English gratis; kin to gratitude: given for thanks, not money
From Latin gratiis, meaning out of favour or kindness, from gratia (grace, thanks). The same root gives English grateful, gratitude and gratuity, and Spanish gracias. Something gratis costs you only a thank-you.