English
firmish
From firm + -ish.
A compound of firm + -ish
Proto-Indo-European *dʰer- ‘to support’
…
Latin firmus ‘strong’
Latin firmo
Italian firmare ‘to sign’
Italian firma ‘signature’
English firm
Today it means
adj Somewhat firm.
Language periods are conventional ranges, not dates for this word.
Etymograph / firmish