The story
From walleye + epidermal + hyperplasia + virus.
Etymology from Wiktionary, CC BY-SA 4.0.
walleye epidermal hyperplasia virus
Today it means: Either of two groups of epsilonretrovirus, walleye epidermal hyperplasia virus 1 (WEHV-1) and walleye epidermal hyperplasia virus 2 (WEHV-2). Full definition →