Where does “aufbau principle” come from?
aufbau principle (English) comes from German Aufbau, from German aufbauen, from German auf-, from German auf, from Middle High German ūf, from Old High German ūf, from Proto-Germanic upp, from Proto-Germanic ub.
aufbau principle (English): The rule stating that, in the ground state of an atom or ion, electrons fill subshells of the lowest available energy, followed by subshells of higher energy
Definitions
- The rule stating that, in the ground state of an atom or ion, electrons fill subshells of the lowest available energy, followed by subshells of higher energy
Ancestry of “aufbau principle”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | German | Aufbau | construction |
| 2 | German | aufbauen | to build, to construct, to erect; to rebuild, to... |
| 3 | German | auf- | A separable prefix; similar to English up up-;... |
| 4 | German | auf | on, upon; on, onto, up; on |
| 5 | Middle High German | ūf | on, upon |
| 6 | Old High German | ūf | up |
| 7 | Proto-Germanic | upp | up, upwards |
| 8 | Proto-Germanic | ub | under |
| 9 | Proto-Indo-European | upó | under, below |
| 10 | Proto-Indo-European | h₃ewp- | — |