Глава О том, как от ИСКУССТВА- незаметно переходим к ОРУЖИЮ,
а там уже и ЩИТЫ( они же ГЕРБЫ) и ОРУДИЯ-АРМАТЫ и АРТИЛЛЕРИЯ
" from Old French art (10c.),
from Latin artem (nominative ars) "work of art; practical skill; a business, craft,"
from PIE *ar(ə)-ti- (source also of Sanskrit rtih "manner, mode;"
Greek artizein "to prepare"), suffixed form of root *ar- "to fit together."
Etymologically akin to Latin arma "weapons." --->
Old English earm,
from Proto-Germanic *armaz
(source also of Old Saxon, Danish, Swedish, Middle Dutch, German arm,
Old Norse armr,
Old Frisian erm,
from PIE root *ar- "to fit together" (source also of Sanskrit irmah "arm,"
Greek arthron "a joint,"
Latin armus "shoulder").
Arm of the sea was in Old English.
Arm-twister "powerful persuader" is from 1915.
Arm-wrestling is from 1899.
armes (plural) "weapons of a warrior,"
from Old French armes (plural),
"arms, weapons; war, warfare" (11c.),
from Latin arma "weapons" (including armor), literally "tools, implements (of war),"
from PIE *ar(ə)mo-, suffixed form of root *ar- "to fit together." The notion seems to be "that which is fitted together."
hence "branch of any organization" (by 1952).
Meaning "heraldic insignia" (in coat of arms, etc.)
is early 14c., from Old French; originally they were borne on shields of fully armed knights or barons.
To be up in arms figuratively is from 1704; to bear arms "do military service" is by 1640s.
from Old French armer "provide weapons to; take up arms," or directly
from Latin armare "furnish with arms,
" from arma "weapons," literally "tools, implements" of war (see arm (n.2)). Intransitive sense "provide oneself with weapons" in English is from c. 1400.
Related: Armed; arming.
especially in the seven sciences, or liberal arts. This sense remains in Bachelor of Arts, etc.
Meaning "human workmanship" (as opposed to nature) is from late 14c.
Meaning "system of rules and traditions for performing certain actions" is from late 15c.
Sense of "skill in cunning and trickery" first attested late 16c. (the sense in artful, artless).
Meaning "skill in creative arts" is first recorded 1610s;
especially of painting, sculpture, etc., from 1660s
А тут Оксфордский словарь, не наука, а просто сборник изо всех книг
Британская филология- не наука, а чулан, где собраны все бумажки со словами. см фильм.