Webster's Revised Unabridged Dictionary
F. tormentille,; cf. Pr., It., & NL. tormentilla, Sp. tormentila,; all fr. L. tormentum, pain. So called because it is said to allay pain. See Torment
Chambers's Twentieth Century Dictionary
Fr.,—Low L. tormentilla—L. tormentum.
They made tea sometimes of the tormentil, whose little yellow flowers appear along the furrows.
"Round About a Great Estate" by Richard Jefferies
The green leaves of the Tormentil are soft and fine, with a few downy hairs on the front.
"Flowers Shown to the Children" by C. E. Smith