anadromous

• POS: Adjective
• HYPHEN: a=nad=ro=mous

CIDE DICTIONARY

anadromous, a. [Gr. running upward; + a running, to run.].

•  Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc.  [1913 Webster]
•  Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem.  D. C. Eaton.  [1913 Webster]

OXFORD DICTIONARY

anadromous, adj. (of a fish, e.g. the salmon) that swims up a river from the sea to spawn (opp. CATADROMOUS).

Etymology

Gk anadromos (as ANA-, dromos -running)