tumesce

[ too-mes, tyoo- ]
/ tuˈmɛs, tyu- /

verb (used with or without object), tu·mesced, tu·mesc·ing.

to make or become tumescent.

Origin of tumesce

First recorded in 1970–75; back formation from tumescent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019