hadalWiktionary 原文/ˈheɪdəl/构词拆解hadhad-前缀al-al后缀had-Alternative form of hado- (“ocean depths”).-alOf or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also. · Forming nouns, especially of verbal action.词源链法语Frenchhadal↓ 借入英语Englishhadal词源说明From French hadal, from Hadès + -al. By surface analysis, had- + -al.释义形容词adjective1Of or relating to the deepest parts of the ocean.同族词派生词 2hadalpelagic·hadal zone