Where does “pyroclastic” come from?

pyroclastic (English) comes 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, from Proto-Indo-European kleh₂u- — nail, pin, hook - instruments, of old use for...

pyroclastic (English): Mostly composed of rock fragments of volcanic...

Definitions

  1. Mostly composed of rock fragments of volcanic...

Ancestry of “pyroclastic”, step by step

pyroclastic traces back through two separate lines of ancestry.

via English clastic

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

via English pyro

StepLanguageWordMeaning
1Englishpyroa pyromaniac; pyrocellulose; pyrotechnician
2Ancient Greekπῦρa fire; lightning; a fever
3Proto-Indo-Europeanpéh₂wr̥bonfire; spelt

Words derived from “pyroclastic

Every word from Proto-Indo-European kleh₂u-Every word from Proto-Indo-European kleh₂uyetiEvery word from Proto-Hellenic klāyyō