-tra

• (Classical Latin) IPA^(key): [tra]
• (modern Italianate Ecclesiastical) IPA^(key): [t̪ra]

-tra f (genitive -trae); first declension

1. alternative form of -trum

First-declension noun.

• mulctra
• mollestra

-tra

1. nominative/accusative/vocative plural of -trum

• -dra

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

• IPA^(key): /tra/

/tra/ and /dra/ are variants of the same suffix. /tra/ (phonetically [tr̥ʰa]) is always spelt -tra whereas /dra/ is represented by -tra after an unvoiced fricative (phonetically [tr̥a]) and by -dra after other voiced sounds (phonetically [dra]).

-tra

1. forming abstract nouns, -ness, -ment

   ‎erchyll (“hideous, horrible”) + ‎-tra → ‎erchylltra (“hideousness, horror”)

   ‎galanas (“blood-feud, enmity”) + ‎-tra → ‎galanastra (“slaughter, massacre”)

   ‎gorffwyll (“mad, insane”) + ‎-tra → ‎gorffwylltra (“madness, insanity”)

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “-tra”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies