happi.
oxygen
Meaning & usage
oxygen
Where this word comes from
From happo (“acid”) (for semantics, compare German Sauerstoff from sauer (“sour, acidic”)); coined by Finnish folk poetry researcher, translator and journalist Julius Krohn in 1862. Declension as an e-stem rather than an i-stem noun is modeled after typpi (“nitrogen”), also introduced by Krohn as an element name.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.