Where does “λειτ-” come from?

λειτ- (Ancient Greek) comes from Ancient Greek λαός, from Proto-Hellenic lāwós, from Proto-Indo-European leh₂wos, from Proto-Indo-European leh₂- — to bark, howl; to be concealed.

Ancestry of “λειτ-”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	λαός	people, people assembled, the people of a...
2	Proto-Hellenic	lāwós	people, crowd
3	Proto-Indo-European	leh₂wos	people
4	Proto-Indo-European	leh₂-	to bark, howl; to be concealed

Every word from Proto-Indo-European leh₂- →Every word from Proto-Indo-European leh₂wos →Every word from Proto-Hellenic lāwós →