Where does “unrainy” come from?

unrainy (English) comes from English rainy, from Polish -iny, from Old Polish -in, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

unrainy (English): Not rainy; dry

Definitions

  1. Not rainy; dry

Ancestry of “unrainy”, step by step

unrainy traces back through two separate lines of ancestry.

via English rainy

StepLanguageWordMeaning
1EnglishrainyPouring with rain; wet; showery
2Polish-inyforms tantum plurale nouns usually associated with a day of celebration
3Old Polish-informs adjectives
4Proto-Slavic-inъ-ine; Creates singulatives, mostly with...
5Proto-Indo-European-iHnosCreates adjectives of materials
6Proto-Indo-European-no-adjectival suffix

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -no-Every word from Polish -inyEvery word from Proto-Indo-European -iHnos