Etymology

yus

Y4U1S1

Today it means: Either of two letters, little yus (Ѧ) and big yus (Ѫ), representing nasal vowel sounds in the Cyrillic alphabet. The only major Slavic language retaining these sounds is Polish, which is written in the Latin alphabet. Full definition →

Russian юс ← Old Church Slavonic ѫсъ
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yus · particle1

Dialectal form of yes.

yus · noun2

  1. Old Church Slavonic · derived fromѫсъ“big yus”
  2. Russian · derived fromюс
  3. English todayyus

Russian юс (jus), from Old Church Slavonic ѫсъ (ǫsŭ, “big yus”)

Etymology from Wiktionary, CC BY-SA 4.0.