undergreen

undergreen means greenery that is underneath. Lexicurio rates it Sui generis — a strength score of 100 out of 100.

Etymology

under- + green

noun

Greenery that is underneath.“J. Russell Tayler, The Madness of Sir Tristram Yet we, that listened in the sighing wood, / With soiled gowns crouching in the undergreen, / Were not quite sure, until he said "Isoude!"”