blackwork 
noun [mass noun]
A type of embroidery done in black thread on white cloth, popular especially in Tudor times.Wearing hose and a white shirt of fine linen, with blackwork at the neck and cuffs, he looked as fine as any man she had known.
- protophyte
- protophytic
- protopine
- protoplanet
- protoplanetary
- protoplasm
- protoplasmal
- protoplasmatic
- protoplasmic
- protoplasmically
- protoplast
- protoplot
- protopod
- protopodite
- protopodium
- protopop
- protopope
- protoporcelain
- protoporphyria
- protoporphyrin
- proto-presbyter
- Protopterus
- proto-punk
- protopyramid
- proto-rebel