Etymograph

English

strongness

Strongness comes from Old English strangnes ‘strength’, from strang ‘strong’, and ultimately from Proto-Indo-European *ster- ‘stiff, rigid’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ster-1‘stiff, rigid’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*strengʰ-1‘pulled tight, straight, constricted’reconstructed
  3. Proto-Germanicc. 500 BCE–200 CE*strangaz2‘tight, strict, straight’reconstructed
  4. Proto-West Germanicc. 200–500 CE*strang3‘severe, strict, rigorous’reconstructed
  5. Old Englishc. 450–1150strang4‘strong’
  6. Old Englishc. 450–1150strangnes5‘strength’
  7. Middle Englishc. 1150–1500strongnes5
  8. Englishtodaystrongness5

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Germanic *strangaz
  2. 2 Wiktionary, Proto-West Germanic *strang
  3. 3 Wiktionary, Old English strang
  4. 4 Wiktionary, Old English strangnes
  5. 5 Wiktionary, English strongness

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ster-Wiktionary, Proto-Germanic *strangaz‘stiff, rigid’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*strengʰ-Wiktionary, Proto-Germanic *strangaz‘pulled tight, straight, constricted’reconstructed
  3. Proto-Germanicc. 500 BCE–200 CE*strangazWiktionary, Proto-West Germanic *strang‘tight, strict, straight’reconstructed
  4. Proto-West Germanicc. 200–500 CE*strangWiktionary, Old English strang‘severe, strict, rigorous’reconstructed
  5. Old Englishc. 450–1150strangWiktionary, Old English strangnes‘strong’
  6. Old Englishc. 450–1150strangnesWiktionary, English strongness‘strength’
  7. Middle Englishc. 1150–1500strongnesWiktionary, English strongness
  8. EnglishtodaystrongnessWiktionary, English strongness

Linked words

through Proto-Indo-European *ster- ‘stiff, rigid’

still, start, street, stare, stern, straw, stereo, torpedo, starve, cholesterol, throttle, sterile, strenuous, sterility, 18 more

through Proto-Indo-European *strengʰ- ‘pulled tight, straight, constricted’

district, stress, strict, string, strain, prestige, strait, 45 more

through Proto-Germanic *strangaz ‘tight, strict, straight’

strengthen, 4 more

through Proto-West Germanic *strang ‘severe, strict, rigorous’

strength, 3 more

through Old English strang ‘strong’

stronghold, 2 more

Today it means

noun The state or condition of being strong; strength.

Sources

Sources: Wiktionary, “strongness”; the older steps come from the Wiktionary entries for Proto-Germanic *strangaz, Proto-West Germanic *strang, Old English strang, Old English strangnes. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *ster- / strongness