prolongate

[ pruh-lawng-geyt, -long- ]
/ prəˈlɔŋ geɪt, -ˈlɒŋ- /

verb (used with object), pro·lon·gat·ed, pro·lon·gat·ing.

Origin of prolongate

1590–1600; < Late Latin prōlongātus, past participle of prōlongāre to prolong; see -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019