Latin word spiniger comes from Latin -ger (Forms adjectives meaning “-bearing, -carrying” from nouns.), Latin spina

Detailed word origin of spiniger

Dictionary entry	Language	Definition
-ger	Latin (lat)	Forms adjectives meaning “-bearing, -carrying” from nouns.
spina	Latin (lat)	(in the plural) difficulties. A low wall along the centre of a circus (race course). A thorny tree or shrub, such as whitethorn, hawthorn, or blackthorn. Transf., thorn, spine, prickle.
spiniger	Latin (lat)	Thorn-bearing, thorny.

Words with the same origin as spiniger