Lexicon of Old Church Slavonic Verbs

Verbs based on root *snov-

o-snyvati
3sg.prs osnyvaetъ (v-aje-stem), 2/3sg.aor osnyva (v-a-stem)
Leskien class III
ipf aspect
transitive
arguments: acc
prefix variation: o- (ipf)

attested in Supr.

SJS

o-snovati
3sg.prs osnuetъ, osnovetъ (uje-stem), 2/3sg.aor osnova (u-stem)
Leskien class III
pf aspect
transitive
arguments: acc
prefix variation: o- (pf)

LIV (575) mentions unprefixed snovati, but it is not mentioned in the dictionaries - save for the unclear (aor?) form sъnovari from Ps.Sin. (8:4, Dem.: osnova)
the ve-stem osnovetъ is mentioned in Mikl., but undated

SJS


Examples in the corpus: osnova (2) osnovanie osnyvati

full lexicon