יְכַפֵּר yekhapher (H3722) literally means “he will cover” (cf. Numbers 8:19) where כַפֵּר khapher comes from the word כּפֻּר kippur (H3725) meaning “to cover” (cf. Exodus 25:17). כַפֹּרֶת khapporeth (H3727) is the lid or covering as the closure to the ark of the covenant. When referring to an offering or sacrifice, כִּפֻּר kippur is an act of paying the price to release a debt; a literal covering over of transgression.
