indefectibly

English

Etymology

Etymology tree

Proto-Indo-European *né

Proto-Indo-European *n̥-

Proto-Italic *n̥-

Latin in-bor.

Middle English in-

English in-

Proto-Indo-European *de

Proto-Indo-European *-h₁

Proto-Indo-European *déh₁

Proto-Italic *dē

Latin dē

Latin de-

Proto-Indo-European *dʰeh₁-

Proto-Indo-European *dʰeh₁k-

Proto-Indo-European *-yéti

Proto-Indo-European *dʰh₁kyéti

Proto-Italic *θakjō

Proto-Italic *fakjō

Latin facio

Latin dēficiō

Proto-Indo-European *-tus

Proto-Italic *-tus

Latin -tus

Latin dēfectusbor.

English defect

Proto-Indo-European *-dʰlom

Proto-Italic *-ðlom

Proto-Italic *-ðlis

Latin -bilis

Latin -ibilis

Old French -ibleder.

Middle English -ible

English -ible

English indefectible

Proto-Indo-European *leyg-der.

Proto-Germanic *līkąder.

Proto-Germanic *-līkaz

Proto-Germanic *-ê

Proto-Germanic *-līkê

Proto-West Germanic *-līkē

Old English -līċe

Middle English -ly

English -ly

English indefectibly

From indefectible + -ly.

Adverb

indefectibly (comparative more indefectibly, superlative most indefectibly)

1. In an indefectible manner.