词根词缀：bentho-, benth-

【来源及含义】Greek: deep, depth; the fauna and flora of the bottom of the sea; sea bottom; depth [by extension, this element includes lake, river, and stream bottoms]

【相关词根词缀】Inter-related cross references, directly or indirectly, involving the "sea" and the "ocean" bodies of water: abysso- (bottomless); Atlantic; batho-, bathy- (depth); halio-, halo- (salt or "the sea"); mare, mari- (sea); necto-, nekto- (swimming); oceano-; pelago- (sea, ocean); plankto- (drifting); thalasso- (sea, ocean).

【同源单词】abyssal-benthic, abyssobenthic, archibenthal zone, archibenthic, archibenthos, benthal

词根词缀：endo-, end-

【来源及含义】Greek: within, inside, into, in, on, inner

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": figur-; form-; icono-; ideo-; imag-; morpho-; -oid; typo-.

【同源单词】endaortic, endoabdominal, endobenthos, endobiontic, endobiosis, endobiotic