from an unused root meaning to apportion, i.e. bestow; a donation; euphemistically, tribute; specifically a sacrificial offering (usually bloodless and voluntary); gift, oblation, (meat) offering, present, sacrifice.
from שָׁמַן; grease, especially liquid (as from the olive, often perfumed); figuratively, richness; anointing, [idiom] fat (things), [idiom] fruitful, oil(-ed), ointment, olive, [phrase] pine.
from יָדָה; properly, an extension of the hand, i.e. (by implication) avowal, or (usually) adoration; specifically, a choir of worshippers; confession, (sacrifice of) praise, thanks(-giving, offering).
TRV