underfringe (English) comes from English fringe, from Middle English frenge, from Old French frenge, from Vulgar Latin frimbia, from Latin fimbriae, from Latin fimbria — fringe, border, edge.
underfringe (English): A lower fringe; a fringe underneath something
Definitions
A lower fringe; a fringe underneath something
Ancestry of “underfringe”, step by step
underfringe traces back through two separate lines of ancestry.