I incorrectly assumed the following question involved plural possession. However, even if it did, is it ever acceptable to use an apostrophe for plural possession in a hyphenated word like this?
Pang Xiong Sirirathasuk is a master of paj ntaub, or "flower cloth" embroidery, the most difficult of the
century's-oldest Hmong needlework arts.
F. No Change G. centuries-old H. centuries'-old J. century's-old
I was tripped up by all apostrophes among the answer choices and assumed possession was involved and chose H. If plural possession was involved you do want to write out the plural form and add an apostrophe to the "s" like in choice H. However, is it ever appropriate to add an apostrophe to a hyphenated word?