elastically

Etymology tree
Proto-Indo-European *h₁elh₂-
Proto-Indo-European *h₁l̥h₂-tósder.
Ancient Greek ἐλᾰστός (elăstós)
Proto-Indo-European *-ikos
Proto-Italic *-ikos
New Latin -icus
New Latin elasticusbor.
French élastiquebor.
English elastic
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
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
Middle English -ally
English -ally
English elastically
From elastic + -ally.