Meaning

verb become rigid

verb make rigid and set into a conventional pattern

originEtymology tree Proto-Indo-European *Hreyǵ-der. Proto-Italic *rigēō Latin rigeō Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin rigidusder. Middle English rigide English rigid Latin -i- Proto-Indo-European *dʰeh₁-der. Proto-Italic *-fakāō Latin -ficō Latin -ificāreder. Old French -ifierbor. Middle English -ifien English -ify English rigidify From rigid + -ify.

Etymology from Wiktionary, CC BY-SA 3.0