This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

Word

さや
scabbard; cap (on pen, brush, etc.); margin (between two prices); spread; markup; commission; enclosure; outer fence
Word

ミエリン鞘

ミエリンしょう
myelin sheath (around the axon of a neuron)
Word

朱鞘

しゅざや
red-lacquered sword sheath
Word

腱鞘

けんしょう
sheath of tendon
Word

利鞘

利ざや
りざや
profit margin
Word

値鞘

ねざや
margin; spread (in prices)
Word

鞘当て

さやあて
rivalry for the heart of a woman; quarrel over something trivial
Word

海鞘

老海鼠
ほや、ホヤ
sea squirt; ascidian
Word

鞘取り

さや取り
さやとり
brokerage
Word

腱鞘炎

けんしょうえん
inflammation of a tendon (sheath); tendonitis; tendinitis; tenosynovitis; tenovaginitis; tendovaginitis