English
Ratfor
Blend of rational + Fortran.
Proto-Indo-European *h₂er- ‘to fit, to fix, to put together, to slot’
Latin reor ‘to compute’
Latin ratio ‘reason’
Latin rationalis ‘of or belonging to reason, rational, reasonable’
Old French rationel
English rational
Today it means
name A version of Fortran with newer C-style control structures.
Language periods are conventional ranges, not dates for this word.
Etymograph / Ratfor