English
flamegraph
From flame + graph.
Proto-Indo-European *bʰel- ‘to shimmer, gleam, shine’
Proto-Italic *flagmā
Latin flamma
Anglo-Norman flaumbe
Middle English flawme ‘a flame’
English flame
Today it means
noun A visual representation of hierarchical data used to analyze system and application performance metrics.
Language periods are conventional ranges, not dates for this word.
Etymograph / flamegraph