SR GNT TIT 3:8
 (P=100) διαβεβαιοῦσθαι (diabebaiousthai) Typical English gloss=‘to_be confirming’
 Strongs=12260 Lemma=diabebaioomai
  Word role=verb Morphology=NPM····: mood=infinitive tense=present voice=middle
  Year=65 AD
The various word forms of the root word (lemma) ‘diabebaioomai’ have 2 different glosses: ‘to_be confirming’, ‘they are confirming’.