ingressive

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Of, relating to, or involving ingress.
2. adj. Grammar Inchoative.
3. adj. Linguistics Of or being a speech sound produced with an inhalation of breath.

Century Dictionary and Cyclopedia

1. Entering; denoting entering on or beginning.

Wiktionary

1. adj. going or directed inward, entering
2. adj. open to entry or examination
3. adj. Uttered by drawing air inward through the mouth or nose.
4. adj. descriptive of a source or channel through which water enters or once entered an area.
5. n. A speech sound in which the air stream is created by drawing air in through the mouth or nose.