たとえ
たとえ · tatoe · JLPT N3 · noun
even if
Sounds like tattoo-eh: even if you regret it, the tattoo stays
Comes from 例える (tatoeru), to compare or give an example, so it means 'suppose the case that…'. It usually pairs with ても/でも: たとえ雨でも行く = even if it rains, I'll go.