Total
late Middle English: via Old French from medieval Latin totalis, from totum ‘the whole’, neuter of Latin totus ‘whole, entire’. The verb, at first in the sense ‘add up’, dates from the late 16th century.
wiktionary
From Middle English total, from Old French total, from Medieval Latin tōtālis, from tōtus(“all, whole, entire”), of unknown origin. Perhaps related to Oscan 𐌕𐌏𐌖𐌕𐌏(touto, “community, city-state”), Umbrian 𐌕𐌏𐌕𐌀𐌌(totam, “tribe”, acc.), Old English þēod(“a nation, people, tribe”), from Proto-Indo-European *tewtéh₂(“people”). More at English Dutch, English thede.
etymonline
total (adj.)
late 14c., from Old French total (14c.), from Medieval Latin totalis "entire, total" (as in summa totalis "sum total"), from Latin totus "all, all at once, the whole, entire, altogether," a word of unknown origin. Total war is attested from 1937 (William Shirer), in reference to a concept developed in Germany.
total (n.)
"whole amount, sum," 1550s, from total (adj.).
total (v.)
1716, "bring to a total," from total (n.). Intransitive sense "reach a total of" is from 1859. Meaning "to destroy one's car" first recorded 1954. Related: Totaled; totaling.
