Meaning

noun tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall

noun perennial herb with large rounded leaves resembling a colt's foot and yellow flowers appearing before the leaves do; native to Europe but now nearly cosmopolitan; used medicinally especially formerly

originFrom Middle English coltisfote, coltys fot, equivalent to colt + -s- + foot.

Etymology from Wiktionary, CC BY-SA 3.0