Where does “tầng ngậm nước” come from?

tầng ngậm nước (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 ngậm nước (Vietnamese): aquifer

Definitions

  1. aquifer

Ancestry of “tầng ngậm nước”, step by step

tầng ngậm nước 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 ngậm nước

StepLanguageWordMeaning
1Vietnamesengậm nướcto hold water in one's mouth
2Vietnamesenướcwater; liquid; fluid; the liquid part of a broth
3Proto-Vieticɗaːkwater, liquid
4Proto-Mon-Khmerɗaakwater; liquid; The sense of "river, stream" that...
Every word from Proto-Indo-European denḱ-