ȝewearnian

Part of speech: verb
Verb type: weak verb (2)
1. to protect, guard against; 2. 1) to warn; 2) to beware, take heed; 3. to avoid; to repel, drive back
Etymology
[← ȝe- pref + wearnian v “to beware, take heed”]
Paradigm

4.2.2. - 2nd class weak verbs

The second class of the weak verbs is marked by the presence of the Prot-Germ suffix *-ō-, preserved in the Anglo-Saxon in the form of short vowel -o- of the past tense suffix: macode (made); lufode (loved), etc.

II class infinitive past tense singular
to look (at); to see lócian, lóciȝan lócode
to love lufian lufode