Dutch word tijdens comes from Proto-Indo-European *déh₂itis (Interval, period of time.), Proto-Indo-European *dīti-
| Dictionary entry | Language | Definition |
|---|---|---|
| *déh₂itis | Proto-Indo-European (ine-pro) | Interval, period of time. |
| *dīti- | Proto-Indo-European (ine-pro) | time, period |
| *tīdiz | Proto-Germanic (gem-pro) | Period, interval. Time. |
| tīt | Old Dutch (odt) | |
| tijt | Middle Dutch (dum) | Life, lifetime. Moment. Period of time. Right, appointed time. Time (as a concept). Time, moment. |
| tijd | Dutch (nld) | (grammar) tense. Time. |
| tijdens | Dutch (nld) | During. |