admeasure

[Middle English amesuren, from Old French amesurer : a-, to (from Latin ad-; see ad-) + mesurer, to measure (from Late Latin mēnsūrāre, to measure , from Latin mēnsūra, measure; see measure).]

verb

To set aside or distribute as a share: allocate, allot, allow, apportion, assign, give, lot, measure out, mete (out). See collect/distribute.

The verb has one meaning:

Meaning #1: determine the quantity of someone's share