Etymograph

English

gummosis

From gum + -osis.

Formed from gum + -osis

Proto-Indo-European *ǵʰeh₂- ‘to gape, yawn’

Proto-Germanic *gaumô ‘palate’

Proto-West Germanic *gōmō

Old English gōma ‘palate’

Middle English gom

English gum

Today it means

noun The formation of patches of a gummy substance on the surface of certain plants, particularly fruit trees, caused by sap oozing from wounds or cankers.

Language periods are conventional ranges, not dates for this word.

Etymograph / gummosis