SSSad 209:9 :ופרענא יתיה להון ברישא עד גמרא ובתר כן שקל כל חד מיננא ריש כיסא דשדא במצעתא‏ : we paid it off to them in full with the principal, and then each of us received the principal funds that was left between us
See the entire entry for gmār, gmārā v.n. completion; traditional study