echelin

Welsh

Etymology

echel (“axle”) +‎ -in

Noun

echelin f (plural echelinau)

1. (mathematics) axis

   Synonym: (dated) echel

Derived terms

• echelin X
• echelin Y
• echelin Z
• echelinol (“axial”)

Further reading

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “echelin”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies