English
hygrophanous
From hygro- (“moistness”) + -phanous (“appearing”).
A compound of hygro- ‘moistness’ + -phanous ‘appearing’
Proto-Indo-European *wegʷ- ‘wet, moist’
Proto-Hellenic *ugrós
Ancient Greek ὑγρός ‘wet”, “moist’
English hygro-
Today it means
adj Changing color as it dries out.
Language periods are conventional ranges, not dates for this word.
Etymograph / hygrophanous