English word helium comes from Proto-Indo-European *sāwel-, and later Proto-Hellenic *hāwélios (Sun.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *sāwel- | Proto-Indo-European (ine-pro) | |
| *hāwélios | Proto-Hellenic (grk-pro) | Sun. |
| ἥλιος | Ancient Greek (grc) | |
| helium | New Latin (la-new) | |
| helium | English (eng) | (countable) A form or sample of the element.. (uncountable) A colorless and inert gas, and the second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602. |