§§ 384-8] Word-Formation 175 bleiþei, mercy; bráiđei, breadth ; diupei, depth; gōđei, goodness; handugei,wisdom; laggei,length; liutei,deceit; mikilei, greatness; siukei, sickness; swinþei, strength. See § 212. § 384. -iþa (OE. -þo, -þ, OHG. -Ida, prim. Germanic -iþō with -i- from ja- and i-stems, Indg. -tā), used in forming fern, abstract nouns from adjectives, as aggwiþa, anguish ; agliþa, tribulation; dáubiha, deafness; diupiþa, depth; dwaliþa, foolishness; gáuriba, sorrow; kaúriþa, weight; manwiþa, preparation ; mēriþa, fame; mildiþa, mildness; niujiba, newness; swēriþa, honour; swikniba, purity; weihiþa, holiness. See § 191. -iþa generally became -ida by dissimilation when the preceding syllable began with a voiceless consonant, as áuþida, desert; waírþida, worthiness, § 385. -ōþu- (OE. -aþ, -oþ, OHG. -ōd, Lat. -ātu-, Gr. Doric -ατΰ-). used in forming masc. abstract nouns from the second class of weak verbs, as gáunōþus, mourning; gabaúrjoþus,pleasure, -ōþu- became -ōđu- by dissimilation when the preceding syllable began with a voiceless consonant, as aúhjōdus, tumult; manniskōđus, humanity; wratōđus, journey. § 386. -ubni, -ufni (see § 158 note), prim. Germanic •utmja·, Indg. -mnjo- with vocalic m, as fastubní, observance ; fráistubni, temptation; witubni, knowledge; walđufni, power; wundufni, wound. § 387- -þwa (prim. Germanic -þwō, Indg. -twā), as fijaþwa, fiaþwa, hatred; frijaþwa, love; saliþwōs, pi., dwelling, mansion. §388. -eini-, prim. Germanic -i(j)inl·, Indg. -ejeni·; -ōni-, Indg. -āni·; -ami-, prim. Germanic -æ(j)ini·, Indg. -ējeni·; used in forming verbal abstract nouns from the first three classes of weak verbs, as láiseins, doctrine; laþōns, invitation ; libáins, life. See § 200.