Where does “דרײַסיקסט” come from?
דרײַסיקסט (Yiddish) comes from Yiddish דרײַסיק, from Middle High German drīzic, from Old High German drīzzug, from Proto-Germanic þrīz tigiwiz — thirty.
דרײַסיקסט (Yiddish): thirtieth
Ancestry of “דרײַסיקסט”, step by step