afikso

Compare English affix

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afikso (accusative singular afikson, plural afiksoj, accusative plural afiksojn)

1. "affix": a morpheme whose position within a word is not predictable from Esperanto word-compounding rules. (Compare afiksoido.)

   Among the official morphemes, the true antaŭafiksoj are bo-, eks-, ge-, mal-, pra-. These change the nature of the word, and therefore would occur at the end if they were part of a compound.

   Among the official morphemes, the true postafiksoj are -aĉ-, -ĉjo, -njo. These do not change the nature of the word, and therefore would occur at the beginning if they were part of a compound.

   -um- is sometimes included in this list, as it's irregular; however, it generally dominates the meaning of the word, and therefore would be expected to occur at the end

• antaŭafikso, prefikso
• postafikso, sufikso
• enafikso

• afiksoido