How to pronounce “gallowglass” in English

Easy to see she'd never suffered a gallowglass sting before.

The red flag was up today, gallowglass swarming beneath the water with their long, stinging tendrils, though they could not be seen from shore.

A white phosphorescent thread wound around her leg, menacing and tiny-- a gallowglass tendril, torn free and sent drifting on the tide in search of a victim.