You searched for: “digitus minimi
digitus minimus (s) (noun), digitus minimi (pl)
The little finger, also commonly referred to as the "pinky" or "digitus quintus", is usually the smallest finger of the human hand, opposite the thumb, next to the "ring finger".

The digitus minimus is also called the "fifth finger", or the "fourth finger" colloquially [not counting the thumb as a "finger"].

This entry is located in the following units: digit-, digiti- (page 4) mini-, minor-, minut-, minu-, min- (page 1)