pogonionEtymologyFrom Ancient Greek πωγώνιον (pōgṓnion, diminutive of πώγων), with parallel meaning in Greek πιγούνι (pigoúni, “chin”). By surface analysis, pogono- + -ion.nounThe furthest-forward part of the chin.“Three preoperative measurements were obtained between the following five reference points: the tragus, soft tissue pogonion, lateral corner of the eye, angle of the mandible, and outer corner of the mouth.”