irto

Meaning

1. stiff
2. fragile

Pronounced as (IPA)

/ˈiɾto̝/

Etymology

Cognate with Portuguese: hirto

Cognate with Spanish: yerto

In summary

From Old Galician-Portuguese yrto, from Vulgar Latin *erctus, vernacular variant of Classical Latin ērēctus, therefore a doublet of ereto.
Despite the resemblance, unlikely to derive from Latin hirtus (“shaggy”). Compare Portuguese hirto, Spanish yerto.