Where does “self-ignite” come from?

self-ignite (English) comes from English ignite, from Latin ignitus, from Latin igniō, from Latin -iō, from Proto-West Germanic -jō, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

self-ignite (English): To catch fire due to sufficient temperature

Definitions

  1. To catch fire due to sufficient temperature

Ancestry of “self-ignite”, step by step

self-ignite traces back through two separate lines of ancestry.

via English ignite

StepLanguageWordMeaning
1Englishigniteto set fire to (something), to light (something)
2Latinignitusignited, set on fire
3Latinigniōto ignite, set on fire
4Latin-iō
5Proto-West Germanic-jōForms agent nouns from verbs
6Proto-Indo-European-yétiCreates intransitive, often deponent,...
7Proto-Indo-Europeanyé-
8Chichewaiyehe, she

via English Self

StepLanguageWordMeaning
1EnglishSelfHimself, herself, itself, themself, themselves; that specific (person mentioned)
2Middle EnglishsalveAlternative form of sauf
3Old Englishsealfsalve
4Proto-West Germanicsalbusalve, ointment
5Proto-Germanicsalbōsalve, ointment
6Proto-Indo-Europeansolp-éh₂
7Proto-Indo-Europeanselp-fat, oil
Every word from Chichewa iye