Upakaṇṇa (°-) [upa + kaṇṇa] literally (spot) near the ear, only in oblique cases or in derivative °ka (q.v.) Thag 200 (upakaṇṇamhi close to the ear, under the ear).
数字巴利辞典 DPD
(masc, masc, from kaṇṇa)
near the ear; around the ear
Construction: upa + kaṇṇa