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Where does “pyroclastic flow” come from?

pyroclastic flow (English) comes from English pyroclastic, from English clastic, from Ancient Greek κλαστός, from Ancient Greek κλάω, from Ancient Greek κλαίω, from Ancient Greek κλείω, from Proto-Hellenic klāyyō, from Proto-Indo-European kleh₂uyeti — nail, pin, hook - instruments, of old use for...

pyroclastic flow (English): A dense flow of volcanic ash, dust, rocks and...

Definitions

  1. A dense flow of volcanic ash, dust, rocks and...

Ancestry of “pyroclastic flow”, step by step

StepLanguageWordMeaning
1EnglishpyroclasticMostly composed of rock fragments of volcanic...
2EnglishclasticMade up of parts that are easily removable; Made...
3Ancient Greekκλαστόςbroken
4Ancient Greekκλάωto break, to break off, to break into pieces; to...
5Ancient Greekκλαίωcry, weep; first-person singular future...
6Ancient Greekκλείωshut, close, bar; enclose, shut in; Epic form of...
7Proto-Hellenicklāyyō—
8Proto-Indo-Europeankleh₂uyeti—
9Proto-Indo-Europeankleh₂u-nail, pin, hook - instruments, of old use for...
Every word from Proto-Indo-European kleh₂u- →