1530s, "list of words with explanations," from Medieval Latin vocabularium "a list of words," from Latin vocabulum "word, name, noun," from vocare "to name, call," which is related to vox (genitive vocis) "voice" (from PIE root *wekw- "to speak"). The meaning "range of words in the language of a person or group" is attested from 1753.
1829, "to recollect," a back-formation from reminiscence. Meaning "indulge in reminiscences" is from 1871. "[S]omewhat colloquial" [OED] and mistrusted by the literary (in the OED's earliest citation for it, reminisce is followed immediately by an aside, "the word shall never enter my vocabulary"). Related: Reminisced. Reminiscing as a verbal noun, "action of remembering," is by 1891.
mid-15c., perhaps a diminutive of Middle English helm (see helm (n.2)). But some sources suggest Old French heaumet (Modern French heaume), a French diminutive of helme "helmet," from the same Germanic source as helm (n.2); Barnhart writes: "Old English helm never became an active term in the standard vocabulary of English."
large sea-fish of the mackerel order, 1520s, probably from French thon (14c.), from Old Provençal ton and directly from Latin thunnus "a tuna, tunny," from Greek thynnos "a tuna, tunny," possibly with a literal sense of "darter," from thynein "dart along."
In ancient Greece, the food-fish par excellence, with its own vocabulary of culinary and market terms for the cuts and preparations of it.
"corresponding (to some other) in particulars," 1640s, from Latin analogus, from Greek analogos "proportionate, according to due proportion," from ana "throughout; according to" (see ana-) + logos "ratio, proportion," a specialized use (see Logos). Used with to or with.
A term is analogous whose single signification applies with equal propriety to more than one object: as, the leg of the table, the leg of the animal. [William Flemming, "The Vocabulary of Philosophy," 1858]
"guide or conductor of spirits or souls to the other world," 1835, from Greek psykhopompos "spirit-guide," a term applied to Charon, Hermes Trismegistos, Apollo, etc.; from psykhē "the soul, mind, spirit" (see psyche) + pompos "guide, conductor, escort, messenger," from pempein "to send, dispatch, guide, accompany," which is of unknown origin. "The verb has no IE etymology, nor does it show characteristics of loanwords or Pre-Greek vocabulary" [Beekes].