| 1 | English | troubleshooter | A person skilled at locating the causes of... |
| 2 | English | trouble | A distressing or dangerous situation; A... |
| 3 | Middle English | trouble | — |
| 4 | Old French | troble | turbulent; cloudy; clouded; strife; commotion |
| 5 | Old French | trobler | to trouble; to disrupt; to waylay |
| 6 | Old French | torbler | Alternative form of trobler |
| 7 | Vulgar Latin | turbulo | I disrupt, unsettle, agitate, upset, trouble,... |
| 8 | Latin | turbula | disorderly group, a little crowd or people;... |
| 9 | Latin | turba | stir, disturbance, tumult, uproar, trouble; mob,... |
| 10 | Ancient Greek | τύρβη | disorder, confusion, tumult; poetic rout, revelry |
| 11 | Proto-Indo-European | twerH- | to enclose, fence in; to grab, seize; to stir |