Latin word -ger comes from Proto-Indo-European *h₂eǵ-, and later Proto-Italic *gezō (Carry, bear.)

Detailed word origin of -ger

Dictionary entry	Language	Definition
*h₂eǵ-	Proto-Indo-European (ine-pro)	to drive, plough animal
*h₂ǵ-es-	Proto-Indo-European (ine-pro)
*gezō	Proto-Italic (itc-pro)	Carry, bear.
gerundus	Latin (lat)
-ger	Latin (lat)	Forms adjectives meaning “-bearing, -carrying” from nouns.

Words with the same origin as -ger