mori-

“sea, body of water”

Widely acceptednaturewater

sea, lake, standing water

Root for sea/water body, yielding Latin mare, Old English mere (lake), German Meer.

(s)teh₂n-“to thunder”Hreg-“to wet, to rain”angʷʰi-“eel, snake, water-serpent”bʰerǵ-s-“to protect by enclosing”bʰew-sis-“nature, growth, being”bʰew-tú-“growth, nature, coming-to-be”bʰleh₁-“to blow, to puff”bʰlewH-“to overflow, to well up”