Entry 2 senses · 2 variants Webster, 1913 Etymologize /(-jīz)/ · Et·y·mol·o·gize · IPA v. t. v. t. 01 v. t. To give the etymology of; to trace to the root or primitive, as a word. 1. To give the etymology of; to trace to the root or primitive, as a word. 02 v. t. To search into the origin of words; to deduce words from their simple roots. 1. To search into the origin of words; to deduce words from their simple roots. “How perilous it is to etymologize at random.” — Trench.