Reconstruction:Proto-Slavic/o(b)soka

This Proto-Slavic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Slavic

Etymology

Action noun of *o(b)sočiti (“to charge, to focus around”), from *ob- +‎ *sočiti + *-a.

Noun

*o(b)soka f

1. charge (including legally)

   (by abstraction) → legal query

2. focus, round-up

   (by extension) → summary

Alternative forms

• *o(b)sokъ m

Declension

Declension of *o(b)soka (hard a-stem)

	singular	dual	plural
nominative	*o(b)soka	*o(b)socě	*o(b)soky
genitive	*o(b)soky	*o(b)soku	*o(b)sokъ
dative	*o(b)socě	*o(b)sokama	*o(b)sokamъ
accusative	*o(b)sokǫ	*o(b)socě	*o(b)soky
instrumental	*o(b)sokojǫ, *o(b)sokǫ**	*o(b)sokama	*o(b)sokami
locative	*o(b)socě	*o(b)soku	*o(b)sokasъ, *o(b)sokaxъ*
vocative	*o(b)soko	*o(b)socě	*o(b)soky

^* -asъ is the expected Balto-Slavic form but is found only in some Old Czech documents; -axъ is found everywhere else and is formed by analogy with other locative plurals in -xъ.
^** The second form occurs in languages that contract early across /j/ (e.g. Czech), while the first form occurs in languages that do not (e.g. Russian).

Related terms

• *posoka (“direction”)
• *nasoka (“guideline; instigation”)

Descendants

• East Slavic:
  • Old East Slavic: осока (osoka)
  • Belarusian: асо́ка (asóka)
• South Slavic:
  • Serbo-Croatian:

    Cyrillic script: опсок

    Latin script: opsok

  • Slovene: óbsok
• West Slavic:
  • Polish: osoka (“summary”) (rare)

Further reading

• Trubachyov, Oleg, editor (2003), “*obsoka/*obsokъ I”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 30 (*obsojьnikъ – *obvedьnъjь), Moscow: Nauka, →ISBN, page 05