מָגַןmâgan

Pi`el: deliver up, deliver, also deliver, give, with accusative & suffix of indirect object (Genesis 14:20; Proverbs 4:9; Hosea 11:8)

Pronunciation: maw-gan' · Hebrew/Aramaic (Old Testament) · H4042

Same root

מָגֵןmâgên · H4043a shield (i.e. the small one or buckler); figuratively, a protector; also the scaly hide of the crocodile
מְגִנָּהmᵉginnâh · H4044a covering (in a bad sense), i.e. blindness or obduracy

Where it appears

Appears 3 times in the Bible.

Genesis 14:20 And blessed be God Most High, who has defeated your enemies for you.” Then Abram gave Melchizedek a tenth of all the goods he had recovered.
Proverbs 4:9 She will place a lovely wreath on your head; she will present you with a beautiful crown.”
Hosea 11:8 “Oh, how can I give you up, Israel? How can I let you go? How can I destroy you like Admah or demolish you like Zeboiim? My heart is torn within me, and my compassion overflows.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).