Where does “псковитянин” come from?

псковитянин (Russian) comes from Russian Псков, from Old East Slavic Пльсковъ, from Proto-Slavic *plьsky.

псковитянин (Russian): citizen of Pskov

Definitions

citizen of Pskov

Ancestry of “псковитянин”, step by step

Step	Language	Word	Meaning
1	Russian	Псков	—
2	Old East Slavic	Пльсковъ	—
3	Proto-Slavic	*plьsky	—

Every word from Proto-Slavic *plьsky →

псковитянин — Etymology, Origin & Word History | Etymology Explorer