What is the meaning of -heid?

-ness, -ity, -hood; forms nouns from adjectives, denoting the abstract quality of the adjective.

-ness, -ity, -hood; forms nouns from adjectives, denoting the abstract quality of the adjective.

A substantive suffix denoting a condition or state of being.

A substantive suffix denoting a group sharing a specified condition or state.

-ness, -ity, -hood; forms nouns from adjectives, denoting the abstract quality of the adjective.

Source: wiktionary.org