The derivation of " adouber," corresponding to " dub," from " adoptare," which is given by Du Cange, and would connect the ceremony with " adoptio per arma," is certainly inaccurate.
To this aspect may be referred the names Genetyllis (" bringing about birth "), Arma (iipw, " to join," i.e., in marriage, cf.
(1) To take first its treatment of the final vowelsCatalan, like French and Provenal, having only oxytones and paroxytones, does not admit more than one syllable after the tonic accent: thus anima gives arma, cdmera gives cambra.
Further, the only post-tonic Latin vowel preserved ~y the Catalan is, as in Gallo-Roman, a: mare gives mar, gratu (s) gives grat, but anima gives arma; and, when the word terminates in a group of consonants requiring a supporting vowel, that vowel is represented by an e:
Catalan, the substantives, adjectives and participles readily form their singular in a and their plural in Cs: arma,armes (an i ma, an i ma s);bona,bones (hon a, boo a s); amada, amades (a m at a, am a t a s).