Pa·ni·ni 
(pänə-nē) fl. 400 BC.
(pänə-nē) fl. 400 BC. Indian grammarian. His Ashtadhyayi, one of the first works of descriptive linguistics, presents grammatical rules for Sanskrit.
- hier-
- Hierapolis
- hierarch
- hierarchal
- hierarchic
- hierarchical
- hierarchically
- hierarchization
- hierarchize
- hierarchy
- hieratic
- hieratically
- hiero-
- hierocracy
- hierocratic
- hierocratical
- hierodule
- hierodulic
- hieroglyph
- hieroglyphic
- hieroglyphical
- hieroglyphically
- Hieroglyphic Luvian
- Hieroglyphic Luwian
- hierology