Where does “Світличний” come from?

Світличний (Ukrainian) comes from Ukrainian -и́чний, from Ukrainian -ич, from Old East Slavic -ичь, from Proto-Slavic -iťь — Denominal, forming masculine attributables from...

Ancestry of “Світличний”, step by step

Step	Language	Word	Meaning
1	Ukrainian	-и́чний	Suffixed used to form adjectives from nouns
2	Ukrainian	-ич	Forms nomina agentis from verbs or adjectives
3	Old East Slavic	-ичь	—
4	Proto-Slavic	-iťь	Denominal, forming masculine attributables from...

Every word from Proto-Slavic -iťь →Every word from Ukrainian -и́чний →Every word from Ukrainian -ич →