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

• eight-day
• eighteen
• eighteen-hole
• eighteenmo
• eighteenmos
• eighteen-pence
• eighteen-penny
• eighteen-penny piece
• eighteens
• eighteenth
• eighteenthly
• eighteenths
• eightfoil
• eightfoils
• eightfold
• eight-foot
• eighth
• eighthly
• eighth note
• eighth notes
• eight-hour
• eighths
• eighties
• eightieth
• eightieths