presseguier (also pess-) ＜ ✱préssega ＜ pĕrsĭca.
rẹnc (also regne) ＜ rēgnum.
trida ＜ τίγριδα.
tronar ＜ tonitruāre + thrŏnus.
truǫill ＜ tŏrculum.
trobar ＜?tŭrbāre: see Körting.
1. In ginhol = genolh ＜ genŭcŭlum the palatalization is shifted from the liquid to the nasal. In lunh = nulh ＜ nullum, on the other hand, the palatalization remains at the end of the word, but the liquid and the nasal change places.
Dissimilation.
87. Dissimilation, like the other irregular phenomena, affects mainly liquids and nasals, particularly r; it is not, however, entirely confined to these classes. The two nasals, m and n, are similar enough to undergo dissimilation. Some of the cases go back to Vulgar Latin, while others are peculiar to Provençal or to Provençal and French. In the table below, a dash indicates the total disappearance of the consonant in question.
β + β ＞ β + — (v + —): habēbam ＞ ✱aβēa ＞ avia, ✱vivāciārium ＞ viacier, vivācius ＞ viatz. Vianda, whatever its ultimate origin may be, was probably borrowed from French.