English
lichenify
From lichen + -ify.
Formed from lichen + -ify
Proto-Indo-European *leyǵʰ- ‘to lick’
…
Proto-Hellenic *léikʰō
Ancient Greek λείχω ‘to lick’
Ancient Greek λειχήν ‘Lichen-like disease affecting the skin of…’
Latin līchēn ‘a cryptogamic species of vegetation growing…’
English lichen
Today it means
verb To become thickened and leathery.
Language periods are conventional ranges, not dates for this word.
Etymograph / lichenify