From Proto-Indo-European *trowH-o-s, from *trewh₁- (“to endure, suffer”); see the related *þrawō (“longing, suffering”) for more.[1]
Older theories compared the word to Proto-Indo-European *ter- (“to rub, grind”). (Can this(+) etymology be sourced?)
*þrawaz
Strong declension | ||||||
---|---|---|---|---|---|---|
Case | Masculine | Feminine | Neuter | |||
Singular | Plural | Singular | Plural | Singular | Plural | |
Nominative | *þrawaz | *þrawai | *þrawō | *þrawôz | *þrawą, -atō | *þrawō |
Accusative | *þrawanǭ | *þrawanz | *þrawǭ | *þrawōz | *þrawą, -atō | *þrawō |
Genitive | *þrawas, -is | *þrawaizǫ̂ | *þrawaizōz | *þrawaizǫ̂ | *þrawas, -is | *þrawaizǫ̂ |
Dative | *þrawammai | *þrawaimaz | *þrawaizōi | *þrawaimaz | *þrawammai | *þrawaimaz |
Instrumental | *þrawanō | *þrawaimiz | *þrawaizō | *þrawaimiz | *þrawanō | *þrawaimiz |
Weak declension | ||||||
Case | Masculine | Feminine | Neuter | |||
Singular | Plural | Singular | Plural | Singular | Plural | |
Nominative | *þrawô | *þrawaniz | *þrawǭ | *þrawōniz | *þrawô | *þrawōnō |
Accusative | *þrawanų | *þrawanunz | *þrawōnų | *þrawōnunz | *þrawô | *þrawōnō |
Genitive | *þrawiniz | *þrawanǫ̂ | *þrawōniz | *þrawōnǫ̂ | *þrawiniz | *þrawanǫ̂ |
Dative | *þrawini | *þrawammaz | *þrawōni | *þrawōmaz | *þrawini | *þrawammaz |
Instrumental | *þrawinē | *þrawammiz | *þrawōnē | *þrawōmiz | *þrawinē | *þrawammiz |