English word guru comes from Proto-Indo-European *gʷreh₂-, Proto-Indo-European - -us, and later Proto-Indo-European *gʷréh₂us (Heavy.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *gʷreh₂- | Proto-Indo-European (ine) | |
| - -us | Proto-Indo-European (ine) | |
| *gʷréh₂us | Proto-Indo-European (ine) | Heavy. |
| *gurHuš | Proto-Indo-Iranian (iir-pro) | |
| गुरु | Sanskrit (san) | Any venerable or respectable person (father, mother, or any relative older than oneself). Guru. Sage. Teacher (in prosody) long by nature or position (a vowel). Great, large, extended, long. Grievous. Haughty, proud (speech). Heavy in the stomach (food), difficult to digest. Heavy, weighty. High in degree, vehement, violent, excessive, difficult, hard. Important, serious, momentous. [...] |
| ਗੁਰੂ | Panjabi (pan) | (Sikhism) guru, sage, teacher. |
| گرو | Urdu (urd) | Guru. Sage. Teacher. |
| गुरू | Hindi (hin) | Jupiter Guru. Sage. Teacher. |
| guru | English (en) | (sometimes, humorous) An influential advisor or mentor. [from 20th c.]. A Hindu or Sikh spiritual teacher. [from 17th c.]. |