Reconstruction:Proto-West Germanic/breustabain

This Proto-West Germanic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-West Germanic

Etymology

From Proto-Germanic *breustabainą. Equivalent to *breust (“breast”) +‎ *bain (“bone”). Cognate with Icelandic brjóstbein, Swedish bröstben.

Noun

*breustabain n

1. breastbone, sternum

Inflection

Neuter a-stem
	Singular
Nominative	*breustabain
Genitive	*breustabainas
	Singular	Plural
Nominative	*breustabain	*breustabainu
Accusative	*breustabain	*breustabainu
Genitive	*breustabainas	*breustabainō
Dative	*breustabainē	*breustabainum
Instrumental	*breustabainu	*breustabainum

Descendants

• Old English: brēostbān
  • Middle English: brestbon, brust-bon, breoste-bon,
    • English: breastbone
• Old Frisian: brustben, burstben
  • Saterland Frisian: brustben
  • West Frisian: boarstbien, boarstbonke
• Old Dutch:
  • Middle Dutch: borstbeen
    • Dutch: borstbeen
• Old High German: brustbein
  • Middle High German:
    • German: Brustbein