Is glove proper noun

No, the noun 'glove' is a common noun, a general Word for a covering for the hand for warmth or protection; a Word for any glove of any kind.

A proper noun is the name or title of a specific person, place, or thing for example, Hestra Gloves (brand) or The Glove (art gallery) in Brooklyn, NY.

The Word 'glove' is also a verb.