Knappen — 5.5

The words are translations of the labels on The Button into other languages as used in the Translated Modules mod.

The flavour text hints that we are looking not only for the English equivalents, but also what languages they are in. The numbers tell us to index into those language names.

After grouping them by their English translations, but keeping each group in reading order, we get:

Given labelTranslationLanguageIndexLetter
AfbrekenAbortNederlands5R
AbbrechenAbortDeutsch3U
AbortAbortEnglish4L
HaltuAbortEsperanto1E
ZdetonujDetonatePolski2O
DetonaDetonateItaliano7N
ÕhkaDetonateEesti2E
Gedrückt haltenHoldDeutsch6C
TenuHoldEsperanto9O
MantenerHoldEspañol7L
PidäHoldSuomi3O
MaintenirHoldFrançais2R

This spells out the clue phrase, RULE ONE COLOR, referring to the color in the first rule in the manual for The Button, the answer to which is

BLUE