IPA: /ˈtrɛsi/
KK: /ˈtrɛsi/
Having a lot of long, flowing hair or locks.
Her tressy hair flowed down her back like a waterfall.
Comparative: tressier
Superlative: tressiest
The word 'tressy' originates from the word 'tress' (from Old French *tresse*, meaning braid or plait) combined with the suffix '-y' (meaning characterized by). Thus, 'tressy' describes something characterized by braids or plaits.
Think of 'tress' which means braid, and remember that 'tressy' refers to something that has braids.