English
geyserish
From geyser + -ish.
Formed from geyser + -ish
Proto-Germanic *geusaną ‘to erupt’
Proto-Germanic *gausijaną ‘to make erupt’
Old Norse geysa ‘to gush’
Icelandic geysa ‘to gush’
Icelandic Geysir ‘Gusher’
English geyser
Today it means
adj Resembling or characteristic of a geyser.
Language periods are conventional ranges, not dates for this word.
Etymograph / geyserish