убо

Univerbation of у (u, “at”) +‎ бо (bo, “for”). Akin to Old Church Slavonic оубо (ubo).

• (ca. 9^th CE) IPA^(key): /ˈubɔ/
• (ca. 11^th CE) IPA^(key): /ˈubɔ/
• (ca. 13^th CE) IPA^(key): /ˈubɔ/
• Hyphenation: у‧бо

убо (ubo)

1. so, thus
   • 1076, Sviatoslav's izbornik‎, page 3:

     и пораꙁоумѣваꙗ оубо истиньнѣ писаниꙗ правимъ ѥсть ими·

     i porazuměvaja ubo istinĭně pisanija pravimŭ jestĭ imi·

     And so understanding the writings to [their] truth he is governed by them;

2. in that case

• Old Ruthenian: ꙋ́бо (úbo)

• Sreznevsky, Izmail I. (1912) “ꙋбо”, in Матеріалы для Словаря древне-русскаго языка по письменнымъ памятникамъ [Materials for the Dictionary of the Old East Slavic Language Based on Written Monuments]‎ (in Russian), volumes 3 (Р – Ꙗ и дополненія), Saint Petersburg: Department of Russian Language and Literature of the Imperial Academy of Sciences, column 1112