What is the meaning of Ise?

water

Alternative form of is (ice)

Alternative form of use (use)

Alternative form of iren (iron)

Alternative form of yseen (to see)

fire

she

oneself; used to emphasise the person of the head word

by -self

five

emphatic form of í

she, her, it

we (first-person plural personal pronoun)

if

whereas, while

regarding

dative singular of is

Source: wiktionary.org