Where does “ראַזיר־מעסער” come from?

ראַזיר־מעסער (Yiddish) comes from Yiddish ראַזירן, from German rasieren, from French raser, from Old French raser, from Vulgar Latin raso, from Latin rāsus, from Latin rādō, from Proto-Italic razdō — to scrape, scratch, gnaw.

Ancestry of “ראַזיר־מעסער”, step by step

ראַזיר־מעסער traces back through two separate lines of ancestry.

via Yiddish ראַזירן

StepLanguageWordMeaning
1Yiddishראַזירן
2Germanrasierento shave
3Frenchraserto shave; to brush, lightly touch; to raze
4Old Frenchraserto shave
5Vulgar Latinrasodative masculine singular of rāsus; dative neuter...
6Latinrāsusscraped, shaved
7Latinrādōto scrape, shave, scratch
8Proto-Italicrazdō
9Proto-Indo-Europeanrh₁d-dʰ-
10Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw

via Yiddish מעסער

StepLanguageWordMeaning
1Yiddishמעסערknife
2Middle High Germanmesser
3Old High Germanmezzisahsknife
4Proto-West Germanicmatisahsfood knife
5Proto-West Germanicmatifood
6Proto-Germanicmatizfood
7Proto-Germanicmōsąwet food, mush, porridge; food, victuals
8Proto-Indo-Europeanmeh₂d-to be wet, to become wet; to meet, approach,...
Every word from Proto-Indo-European reh₁d-Every word from Proto-Indo-European rh₁d-dʰ-Every word from Proto-Italic razdō