What is "choinumni"

Choinumni, one of the many tribes of Yokuts Indians that lived in the San Joaquin Valley of California. The Choinumni lived on the Kings River. Their culture is especially well known from the account of Thomas Jefferson Mayfield who was raised among them, at a village, opposite the mouth of Sycamore Creek, on the south bank of the Kings River, just above, what is now Trimmer, California in the 1850s until 1861.