howbeit
Be that as it may; nevertheless.
archaic
I will goe waſh : / And when my Face is faire, you ſhall perceiue / Whether I bluſh, or no : howbeit, I thanke you, / I meane to ſtride your Steed, and at all times / To vnder-creſt your good Addition, / To th’ faireneſſe of my power.
Where it comes from
Univerbation of how + be + it, literally “however it [may] be”.
Adapted from the Wiktionary entry howbeit (CC BY-SA 4.0).