insole
verbEtymology From in + sole.
1
To fit (footwear) with an insole.
insole
nounUK /ˈɪnsəʊl/ · US /ˈɪnsoʊl/
Etymology From in + sole.
1
The inside sole of a shoe or other footwear.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.