Derivation is effected by infixes, prefixes, affixes and reduplication.
But the connexion between nobility and the holding of land comes out in the practice by which the lord so constantly took the name of his lordship. It is in this way that the prefixes de and von, descriptions in themselves essentially local, have become in other lands badges of nobility.
To each quotation, as he borrows it, Vincent prefixes the name of the book and author from whom it is taken, distinguishing, however, his own remarks by the word "actor."
By means of agglutination, that is, by adding to the bases form-words as prefixes, suffixes or infixes, the Tibetan language has developed a considerable grammatical system and is now agglutinating rather than isolating.
And it must be admitted that there are also many cases, some of them caused by irregularities of writing, modification of spelling by decay, and by a probable use of prefixes still unascertained, which also resist explanation, though the account just given stands good whatever solution the question of prefixes may receive in future.