• 1. pit, hole
• 2. bank (of river)
• 3 ridge

HSK –

STROKES – 7

RADICAL – 土

Elements  —-  Open mouth 欠 + earth 土.

Phonetic series 欠.

A pictogram of a hole in the earth: the place lacking 欠 earth 土.

垄坎  lǒngkǎn ridge between fields.

In OBC it was a pictogram of a hole in the ground, later can be remembered as a lack of soil. That’s why the sound is different than other characters in this family.