-ливый

Etymology
Probably rebracketed from following roots ending in л. Cognate with 🇨🇬. See also (presumably rebracketed from roots ending in к or ч).

Suffix

 * 1) -y, -ous, etc.

Usage notes
The suffix tends to cause the of х (converting it to ш), but not of the other ; compare the examples above of  vs..