Where does “tầng lớp” come from?

tầng lớp (Vietnamese) comes from Vietnamese tăng, from English tangent, from Latin tangentem, from Latin tangens, from Latin tangō, from Proto-Italic *tangō, from Proto-Indo-European denḱ- — to bite.

tầng lớp (Vietnamese): a social group, especially a historical one, with a particular interest or prestige such as the laborers (workers and peasants), the intelligentsia, the landlords, etc

Definitions

  1. a social group, especially a historical one, with a particular interest or prestige such as the laborers (workers and peasants), the intelligentsia, the landlords, etc

Ancestry of “tầng lớp”, step by step

tầng lớp traces back through two separate lines of ancestry.

via Vietnamese tăng

StepLanguageWordMeaning
1Vietnamesetăngto increase; monk
2EnglishtangentA straight line touching a curve at a single...
3Latintangentemaccusative masculine singular of tangēns;...
4Latintangenstouching, grasping; reaching, arriving at;...
5Latintangōto touch, grasp
6Proto-Italic*tangō
7Proto-Indo-Europeandenḱ-to bite

via Vietnamese lớp

StepLanguageWordMeaning
1Vietnameselớpa layer; grade; school year; a class
Every word from Proto-Indo-European denḱ-Every word from Proto-Italic *tangōEvery word from Latin tangō