Reconstruction:Proto-Slavic/osojь

Etymology
Unclear: denominal/deverbal, /, /.

/:
 * Per Miklosich, Дуриданов, Лома: from with . Compare 13th century Old Serbian  and antonymous Church Slavonic.
 * Per ESSJa: from with "shadow" ⇐ "shine" / " re flection" . Compare 🇨🇬 ("shadow" ⇒ "reflection" if from ).
 * 🇨🇬 would mean one around which light passes, devoid of light. Similar to from.
 * Per Bezlaj: from with abessive . Compare  /  >,.
 * Per Skok: from assimilated, from negative . Compare.

/:
 * (per ESSJa, BER)
 * 🇨🇬 (per ?ESSJa, ?Vasmer)
 * 🇨🇬 (per Vasmer). See also, ,.
 * 🇨🇬, (per ?ESSJa, ?Vasmer)
 * 🇨🇬 (per ?ESSJa, ?Vasmer)
 * See also and,.
 * 🇨🇬 (per ?ESSJa, ?Vasmer)
 * See also and,.

Noun

 * 1) shady place

Descendants

 * East Slavic:
 * South Slavic:
 * Serbo-Croatian:
 * Serbo-Croatian:
 * Serbo-Croatian:
 * Serbo-Croatian:
 * Serbo-Croatian: