Where does “дедский” come from?

дедский (Russian) comes from Russian де́д, from Proto-Slavic dědъ, from Proto-Balto-Slavic dēˀd-, from Proto-Indo-European dʰeh₁dʰ-, from Proto-Indo-European dʰeh₁(y)- — to suckle, nurse.

дедский (Russian): elderly; grandfather's, grandparents'

Definitions

  1. elderly; grandfather's, grandparents'

Ancestry of “дедский”, step by step

StepLanguageWordMeaning
1Russianде́дgrandfather
2Proto-Slavicdědъgrandfather
3Proto-Balto-Slavicdēˀd-
4Proto-Indo-Europeandʰeh₁dʰ-
5Proto-Indo-Europeandʰeh₁(y)-to suckle, nurse
Every word from Proto-Indo-European dʰeh₁(y)-Every word from Proto-Indo-European dʰeh₁dʰ-Every word from Proto-Balto-Slavic dēˀd-