inroad /inˈrōd/

1. An incursion into an enemy's country
2. A raid
3. Encroachment

make inroads into

1. To make progress with
2. To use up large quantities of

• Polyphemus
• polyphenol
• polyphiloprogenitive
• polyphloesboean
• polyphloisbic
• polyphon
• polyphone
• polyphones
• polyphonic
• polyphonies
• polyphonist
• polyphonists
• polyphons
• polyphony
• polyphyletic
• polyphyllous
• polyphyodont
• polypi
• polypide
• polypides
• polypidom
• polypidoms
• polypill
• polypine
• polypite