Where does “inattackable” come from?

inattackable (English) comes from English attackable, from English attack, from French attaque, from French attaquer, from Italian attaccare, from Italian a-, from Italian staccare, from Italian distaccare — to cover; pole, stick, beam.

Ancestry of “inattackable”, step by step

inattackable traces back through two separate lines of ancestry.

via English attackable

StepLanguageWordMeaning
1Englishattackablewhich may be attacked
2EnglishattackAn attempt to cause damage, injury to, or death...
3Frenchattaqueattack; onset of a syllable; first-person...
4Frenchattaquerto attack
5Italianattaccareto stick, attach, append; to attack
6Italiana-ad-; a-
7Italianstaccareto remove, take or take down; to tear out; to...
8Italiandistaccareto separate; to remove, detach, or take off; to...
9Middle Frenchdestacherto detach; to separate
10Old Frenchdestachierto detach; to separate
11Old Frenchatachierto attach
12Old FrenchestachierAlternative form of atachier; bind; to fasten...
13Old Frenchestachestake; strap
14Medieval Latinstacaa stake
15Gothic𐍃𐍄𐌰𐌺𐌰
16Proto-Germanicstakôstake
17Proto-Indo-European(s)teg-to cover; pole, stick, beam

via English in

StepLanguageWordMeaning
1EnglishinUsed to indicate location, inclusion, or position...
2Middle EnglishinAny kind of accomodation; particularly; A home or...
3Old Englishinin; Alternative form of inn
4Proto-West Germanic*in
Every word from Proto-Indo-European (s)teg-
inattackable — Etymology, Origin & Word History | Etymology Explorer