adjective/subɡlaˈθjal/
subglacial
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-bor. Spanish sub- substrateder. Latin glaciēs Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Latin glaciālisbor. Spanish glacial Spanish subglacial From sub- + glacial.