pef : foot
The Illunse word for foot is pef. Pef is a rare last name. Ba-Pef was a minor underworld god in Egyptian mythology.
This word is a mixture of the Latin word for foot which is pes, and the Old English word for foot which is fót.
pefi : feet
The Illunse word for feet (nominative plural) is pefi. Pefi is a unusual feminine first name.
Feet in Latin is pedis. Feet in Old English is fét. Both the plurals seem to be irregular. Where did that d come from in Latin? The vowel changes in Old English, like in Modern English (foot -> feet).