extra-firm
UK[ˈekstrə fɜːm]US[ˈekstrə fɜːrm]
adj
Having a very solid, hard, or unyielding texture or structure; more firm than usual.
Morpheme Breakdown
extra
firm
extra
beyond
firm
solid
Etymology
The adjective 'extra-firm' is a modern English compound formed by combining the Latin-derived prefix 'extra-' with the adjective 'firm'. The prefix 'extra-', meaning "outside, beyond," originates from the Latin adverb and preposition 'extra', itself from the Proto-Indo-European root eghs, meaning "out." The root 'firm' descends from the Latin adjective 'firmus', meaning "strong, stable, durable," likely from the Proto-Indo-European root dher-, meaning "to hold firmly, support." The compound's logic is transparent: 'extra-firm' literally means "beyond firm" or "more than firm," directly describing a degree of solidity or rigidity that exceeds the standard.
Analysis
Structure: extra (beyond) + firm (solid)
extra: from Latin 'extra' meaning "outside of, beyond". A prefix indicating degree or position.
firm: from Latin 'firmus' meaning "strong, stable, steadfast". An adjective root describing solidity.
Examples
The mattress is labeled extra-firm to provide maximum support for the back.
For this recipe, you will need extra-firm tofu to prevent it from crumbling during stir-frying.
The company's new policy takes an extra-firm stance against workplace harassment.